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+"use strict";
+
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.default = isTaxID;
+
+var _assertString = _interopRequireDefault(require("./util/assertString"));
+
+var algorithms = _interopRequireWildcard(require("./util/algorithms"));
+
+var _isDate = _interopRequireDefault(require("./isDate"));
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+/**
+ * TIN Validation
+ * Validates Tax Identification Numbers (TINs) from the US, EU member states and the United Kingdom.
+ *
+ * EU-UK:
+ * National TIN validity is calculated using public algorithms as made available by DG TAXUD.
+ *
+ * See `https://ec.europa.eu/taxation_customs/tin/specs/FS-TIN%20Algorithms-Public.docx` for more information.
+ *
+ * US:
+ * An Employer Identification Number (EIN), also known as a Federal Tax Identification Number,
+ * is used to identify a business entity.
+ *
+ * NOTES:
+ * - Prefix 47 is being reserved for future use
+ * - Prefixes 26, 27, 45, 46 and 47 were previously assigned by the Philadelphia campus.
+ *
+ * See `http://www.irs.gov/Businesses/Small-Businesses-&-Self-Employed/How-EINs-are-Assigned-and-Valid-EIN-Prefixes`
+ * for more information.
+ */
+// Locale functions
+
+/*
+ * bg-BG validation function
+ * (Edinen graždanski nomer (EGN/ЕГН), persons only)
+ * Checks if birth date (first six digits) is valid and calculates check (last) digit
+ */
+function bgBgCheck(tin) {
+ // Extract full year, normalize month and check birth date validity
+ var century_year = tin.slice(0, 2);
+ var month = parseInt(tin.slice(2, 4), 10);
+
+ if (month > 40) {
+ month -= 40;
+ century_year = "20".concat(century_year);
+ } else if (month > 20) {
+ month -= 20;
+ century_year = "18".concat(century_year);
+ } else {
+ century_year = "19".concat(century_year);
+ }
+
+ if (month < 10) {
+ month = "0".concat(month);
+ }
+
+ var date = "".concat(century_year, "/").concat(month, "/").concat(tin.slice(4, 6));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // split digits into an array for further processing
+
+
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ }); // Calculate checksum by multiplying digits with fixed values
+
+ var multip_lookup = [2, 4, 8, 5, 10, 9, 7, 3, 6];
+ var checksum = 0;
+
+ for (var i = 0; i < multip_lookup.length; i++) {
+ checksum += digits[i] * multip_lookup[i];
+ }
+
+ checksum = checksum % 11 === 10 ? 0 : checksum % 11;
+ return checksum === digits[9];
+}
+/**
+ * Check if an input is a valid Canadian SIN (Social Insurance Number)
+ *
+ * The Social Insurance Number (SIN) is a 9 digit number that
+ * you need to work in Canada or to have access to government programs and benefits.
+ *
+ * https://en.wikipedia.org/wiki/Social_Insurance_Number
+ * https://www.canada.ca/en/employment-social-development/services/sin.html
+ * https://www.codercrunch.com/challenge/819302488/sin-validator
+ *
+ * @param {string} input
+ * @return {boolean}
+ */
+
+
+function isCanadianSIN(input) {
+ var digitsArray = input.split('');
+ var even = digitsArray.filter(function (_, idx) {
+ return idx % 2;
+ }).map(function (i) {
+ return Number(i) * 2;
+ }).join('').split('');
+ var total = digitsArray.filter(function (_, idx) {
+ return !(idx % 2);
+ }).concat(even).map(function (i) {
+ return Number(i);
+ }).reduce(function (acc, cur) {
+ return acc + cur;
+ });
+ return total % 10 === 0;
+}
+/*
+ * cs-CZ validation function
+ * (Rodné číslo (RČ), persons only)
+ * Checks if birth date (first six digits) is valid and divisibility by 11
+ * Material not in DG TAXUD document sourced from:
+ * -`https://lorenc.info/3MA381/overeni-spravnosti-rodneho-cisla.htm`
+ * -`https://www.mvcr.cz/clanek/rady-a-sluzby-dokumenty-rodne-cislo.aspx`
+ */
+
+
+function csCzCheck(tin) {
+ tin = tin.replace(/\W/, ''); // Extract full year from TIN length
+
+ var full_year = parseInt(tin.slice(0, 2), 10);
+
+ if (tin.length === 10) {
+ if (full_year < 54) {
+ full_year = "20".concat(full_year);
+ } else {
+ full_year = "19".concat(full_year);
+ }
+ } else {
+ if (tin.slice(6) === '000') {
+ return false;
+ } // Three-zero serial not assigned before 1954
+
+
+ if (full_year < 54) {
+ full_year = "19".concat(full_year);
+ } else {
+ return false; // No 18XX years seen in any of the resources
+ }
+ } // Add missing zero if needed
+
+
+ if (full_year.length === 3) {
+ full_year = [full_year.slice(0, 2), '0', full_year.slice(2)].join('');
+ } // Extract month from TIN and normalize
+
+
+ var month = parseInt(tin.slice(2, 4), 10);
+
+ if (month > 50) {
+ month -= 50;
+ }
+
+ if (month > 20) {
+ // Month-plus-twenty was only introduced in 2004
+ if (parseInt(full_year, 10) < 2004) {
+ return false;
+ }
+
+ month -= 20;
+ }
+
+ if (month < 10) {
+ month = "0".concat(month);
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Verify divisibility by 11
+
+
+ if (tin.length === 10) {
+ if (parseInt(tin, 10) % 11 !== 0) {
+ // Some numbers up to and including 1985 are still valid if
+ // check (last) digit equals 0 and modulo of first 9 digits equals 10
+ var checkdigit = parseInt(tin.slice(0, 9), 10) % 11;
+
+ if (parseInt(full_year, 10) < 1986 && checkdigit === 10) {
+ if (parseInt(tin.slice(9), 10) !== 0) {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+/*
+ * de-AT validation function
+ * (Abgabenkontonummer, persons/entities)
+ * Verify TIN validity by calling luhnCheck()
+ */
+
+
+function deAtCheck(tin) {
+ return algorithms.luhnCheck(tin);
+}
+/*
+ * de-DE validation function
+ * (Steueridentifikationsnummer (Steuer-IdNr.), persons only)
+ * Tests for single duplicate/triplicate value, then calculates ISO 7064 check (last) digit
+ * Partial implementation of spec (same result with both algorithms always)
+ */
+
+
+function deDeCheck(tin) {
+ // Split digits into an array for further processing
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ }); // Fill array with strings of number positions
+
+ var occurences = [];
+
+ for (var i = 0; i < digits.length - 1; i++) {
+ occurences.push('');
+
+ for (var j = 0; j < digits.length - 1; j++) {
+ if (digits[i] === digits[j]) {
+ occurences[i] += j;
+ }
+ }
+ } // Remove digits with one occurence and test for only one duplicate/triplicate
+
+
+ occurences = occurences.filter(function (a) {
+ return a.length > 1;
+ });
+
+ if (occurences.length !== 2 && occurences.length !== 3) {
+ return false;
+ } // In case of triplicate value only two digits are allowed next to each other
+
+
+ if (occurences[0].length === 3) {
+ var trip_locations = occurences[0].split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var recurrent = 0; // Amount of neighbour occurences
+
+ for (var _i = 0; _i < trip_locations.length - 1; _i++) {
+ if (trip_locations[_i] + 1 === trip_locations[_i + 1]) {
+ recurrent += 1;
+ }
+ }
+
+ if (recurrent === 2) {
+ return false;
+ }
+ }
+
+ return algorithms.iso7064Check(tin);
+}
+/*
+ * dk-DK validation function
+ * (CPR-nummer (personnummer), persons only)
+ * Checks if birth date (first six digits) is valid and assigned to century (seventh) digit,
+ * and calculates check (last) digit
+ */
+
+
+function dkDkCheck(tin) {
+ tin = tin.replace(/\W/, ''); // Extract year, check if valid for given century digit and add century
+
+ var year = parseInt(tin.slice(4, 6), 10);
+ var century_digit = tin.slice(6, 7);
+
+ switch (century_digit) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ year = "19".concat(year);
+ break;
+
+ case '4':
+ case '9':
+ if (year < 37) {
+ year = "20".concat(year);
+ } else {
+ year = "19".concat(year);
+ }
+
+ break;
+
+ default:
+ if (year < 37) {
+ year = "20".concat(year);
+ } else if (year > 58) {
+ year = "18".concat(year);
+ } else {
+ return false;
+ }
+
+ break;
+ } // Add missing zero if needed
+
+
+ if (year.length === 3) {
+ year = [year.slice(0, 2), '0', year.slice(2)].join('');
+ } // Check date validity
+
+
+ var date = "".concat(year, "/").concat(tin.slice(2, 4), "/").concat(tin.slice(0, 2));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Split digits into an array for further processing
+
+
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var checksum = 0;
+ var weight = 4; // Multiply by weight and add to checksum
+
+ for (var i = 0; i < 9; i++) {
+ checksum += digits[i] * weight;
+ weight -= 1;
+
+ if (weight === 1) {
+ weight = 7;
+ }
+ }
+
+ checksum %= 11;
+
+ if (checksum === 1) {
+ return false;
+ }
+
+ return checksum === 0 ? digits[9] === 0 : digits[9] === 11 - checksum;
+}
+/*
+ * el-CY validation function
+ * (Arithmos Forologikou Mitroou (AFM/ΑΦΜ), persons only)
+ * Verify TIN validity by calculating ASCII value of check (last) character
+ */
+
+
+function elCyCheck(tin) {
+ // split digits into an array for further processing
+ var digits = tin.slice(0, 8).split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var checksum = 0; // add digits in even places
+
+ for (var i = 1; i < digits.length; i += 2) {
+ checksum += digits[i];
+ } // add digits in odd places
+
+
+ for (var _i2 = 0; _i2 < digits.length; _i2 += 2) {
+ if (digits[_i2] < 2) {
+ checksum += 1 - digits[_i2];
+ } else {
+ checksum += 2 * (digits[_i2] - 2) + 5;
+
+ if (digits[_i2] > 4) {
+ checksum += 2;
+ }
+ }
+ }
+
+ return String.fromCharCode(checksum % 26 + 65) === tin.charAt(8);
+}
+/*
+ * el-GR validation function
+ * (Arithmos Forologikou Mitroou (AFM/ΑΦΜ), persons/entities)
+ * Verify TIN validity by calculating check (last) digit
+ * Algorithm not in DG TAXUD document- sourced from:
+ * - `http://epixeirisi.gr/%CE%9A%CE%A1%CE%99%CE%A3%CE%99%CE%9C%CE%91-%CE%98%CE%95%CE%9C%CE%91%CE%A4%CE%91-%CE%A6%CE%9F%CE%A1%CE%9F%CE%9B%CE%9F%CE%93%CE%99%CE%91%CE%A3-%CE%9A%CE%91%CE%99-%CE%9B%CE%9F%CE%93%CE%99%CE%A3%CE%A4%CE%99%CE%9A%CE%97%CE%A3/23791/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82-%CE%A6%CE%BF%CF%81%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CE%BA%CE%BF%CF%8D-%CE%9C%CE%B7%CF%84%CF%81%CF%8E%CE%BF%CF%85`
+ */
+
+
+function elGrCheck(tin) {
+ // split digits into an array for further processing
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var checksum = 0;
+
+ for (var i = 0; i < 8; i++) {
+ checksum += digits[i] * Math.pow(2, 8 - i);
+ }
+
+ return checksum % 11 % 10 === digits[8];
+}
+/*
+ * en-GB validation function (should go here if needed)
+ * (National Insurance Number (NINO) or Unique Taxpayer Reference (UTR),
+ * persons/entities respectively)
+ */
+
+/*
+ * en-IE validation function
+ * (Personal Public Service Number (PPS No), persons only)
+ * Verify TIN validity by calculating check (second to last) character
+ */
+
+
+function enIeCheck(tin) {
+ var checksum = algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 7).map(function (a) {
+ return parseInt(a, 10);
+ }), 8);
+
+ if (tin.length === 9 && tin[8] !== 'W') {
+ checksum += (tin[8].charCodeAt(0) - 64) * 9;
+ }
+
+ checksum %= 23;
+
+ if (checksum === 0) {
+ return tin[7].toUpperCase() === 'W';
+ }
+
+ return tin[7].toUpperCase() === String.fromCharCode(64 + checksum);
+} // Valid US IRS campus prefixes
+
+
+var enUsCampusPrefix = {
+ andover: ['10', '12'],
+ atlanta: ['60', '67'],
+ austin: ['50', '53'],
+ brookhaven: ['01', '02', '03', '04', '05', '06', '11', '13', '14', '16', '21', '22', '23', '25', '34', '51', '52', '54', '55', '56', '57', '58', '59', '65'],
+ cincinnati: ['30', '32', '35', '36', '37', '38', '61'],
+ fresno: ['15', '24'],
+ internet: ['20', '26', '27', '45', '46', '47'],
+ kansas: ['40', '44'],
+ memphis: ['94', '95'],
+ ogden: ['80', '90'],
+ philadelphia: ['33', '39', '41', '42', '43', '46', '48', '62', '63', '64', '66', '68', '71', '72', '73', '74', '75', '76', '77', '81', '82', '83', '84', '85', '86', '87', '88', '91', '92', '93', '98', '99'],
+ sba: ['31']
+}; // Return an array of all US IRS campus prefixes
+
+function enUsGetPrefixes() {
+ var prefixes = [];
+
+ for (var location in enUsCampusPrefix) {
+ // https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
+ // istanbul ignore else
+ if (enUsCampusPrefix.hasOwnProperty(location)) {
+ prefixes.push.apply(prefixes, _toConsumableArray(enUsCampusPrefix[location]));
+ }
+ }
+
+ return prefixes;
+}
+/*
+ * en-US validation function
+ * Verify that the TIN starts with a valid IRS campus prefix
+ */
+
+
+function enUsCheck(tin) {
+ return enUsGetPrefixes().indexOf(tin.slice(0, 2)) !== -1;
+}
+/*
+ * es-ES validation function
+ * (Documento Nacional de Identidad (DNI)
+ * or Número de Identificación de Extranjero (NIE), persons only)
+ * Verify TIN validity by calculating check (last) character
+ */
+
+
+function esEsCheck(tin) {
+ // Split characters into an array for further processing
+ var chars = tin.toUpperCase().split(''); // Replace initial letter if needed
+
+ if (isNaN(parseInt(chars[0], 10)) && chars.length > 1) {
+ var lead_replace = 0;
+
+ switch (chars[0]) {
+ case 'Y':
+ lead_replace = 1;
+ break;
+
+ case 'Z':
+ lead_replace = 2;
+ break;
+
+ default:
+ }
+
+ chars.splice(0, 1, lead_replace); // Fill with zeros if smaller than proper
+ } else {
+ while (chars.length < 9) {
+ chars.unshift(0);
+ }
+ } // Calculate checksum and check according to lookup
+
+
+ var lookup = ['T', 'R', 'W', 'A', 'G', 'M', 'Y', 'F', 'P', 'D', 'X', 'B', 'N', 'J', 'Z', 'S', 'Q', 'V', 'H', 'L', 'C', 'K', 'E'];
+ chars = chars.join('');
+ var checksum = parseInt(chars.slice(0, 8), 10) % 23;
+ return chars[8] === lookup[checksum];
+}
+/*
+ * et-EE validation function
+ * (Isikukood (IK), persons only)
+ * Checks if birth date (century digit and six following) is valid and calculates check (last) digit
+ * Material not in DG TAXUD document sourced from:
+ * - `https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/Estonia-TIN.pdf`
+ */
+
+
+function etEeCheck(tin) {
+ // Extract year and add century
+ var full_year = tin.slice(1, 3);
+ var century_digit = tin.slice(0, 1);
+
+ switch (century_digit) {
+ case '1':
+ case '2':
+ full_year = "18".concat(full_year);
+ break;
+
+ case '3':
+ case '4':
+ full_year = "19".concat(full_year);
+ break;
+
+ default:
+ full_year = "20".concat(full_year);
+ break;
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(tin.slice(3, 5), "/").concat(tin.slice(5, 7));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Split digits into an array for further processing
+
+
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var checksum = 0;
+ var weight = 1; // Multiply by weight and add to checksum
+
+ for (var i = 0; i < 10; i++) {
+ checksum += digits[i] * weight;
+ weight += 1;
+
+ if (weight === 10) {
+ weight = 1;
+ }
+ } // Do again if modulo 11 of checksum is 10
+
+
+ if (checksum % 11 === 10) {
+ checksum = 0;
+ weight = 3;
+
+ for (var _i3 = 0; _i3 < 10; _i3++) {
+ checksum += digits[_i3] * weight;
+ weight += 1;
+
+ if (weight === 10) {
+ weight = 1;
+ }
+ }
+
+ if (checksum % 11 === 10) {
+ return digits[10] === 0;
+ }
+ }
+
+ return checksum % 11 === digits[10];
+}
+/*
+ * fi-FI validation function
+ * (Henkilötunnus (HETU), persons only)
+ * Checks if birth date (first six digits plus century symbol) is valid
+ * and calculates check (last) digit
+ */
+
+
+function fiFiCheck(tin) {
+ // Extract year and add century
+ var full_year = tin.slice(4, 6);
+ var century_symbol = tin.slice(6, 7);
+
+ switch (century_symbol) {
+ case '+':
+ full_year = "18".concat(full_year);
+ break;
+
+ case '-':
+ full_year = "19".concat(full_year);
+ break;
+
+ default:
+ full_year = "20".concat(full_year);
+ break;
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(tin.slice(2, 4), "/").concat(tin.slice(0, 2));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Calculate check character
+
+
+ var checksum = parseInt(tin.slice(0, 6) + tin.slice(7, 10), 10) % 31;
+
+ if (checksum < 10) {
+ return checksum === parseInt(tin.slice(10), 10);
+ }
+
+ checksum -= 10;
+ var letters_lookup = ['A', 'B', 'C', 'D', 'E', 'F', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y'];
+ return letters_lookup[checksum] === tin.slice(10);
+}
+/*
+ * fr/nl-BE validation function
+ * (Numéro national (N.N.), persons only)
+ * Checks if birth date (first six digits) is valid and calculates check (last two) digits
+ */
+
+
+function frBeCheck(tin) {
+ // Zero month/day value is acceptable
+ if (tin.slice(2, 4) !== '00' || tin.slice(4, 6) !== '00') {
+ // Extract date from first six digits of TIN
+ var date = "".concat(tin.slice(0, 2), "/").concat(tin.slice(2, 4), "/").concat(tin.slice(4, 6));
+
+ if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
+ return false;
+ }
+ }
+
+ var checksum = 97 - parseInt(tin.slice(0, 9), 10) % 97;
+ var checkdigits = parseInt(tin.slice(9, 11), 10);
+
+ if (checksum !== checkdigits) {
+ checksum = 97 - parseInt("2".concat(tin.slice(0, 9)), 10) % 97;
+
+ if (checksum !== checkdigits) {
+ return false;
+ }
+ }
+
+ return true;
+}
+/*
+ * fr-FR validation function
+ * (Numéro fiscal de référence (numéro SPI), persons only)
+ * Verify TIN validity by calculating check (last three) digits
+ */
+
+
+function frFrCheck(tin) {
+ tin = tin.replace(/\s/g, '');
+ var checksum = parseInt(tin.slice(0, 10), 10) % 511;
+ var checkdigits = parseInt(tin.slice(10, 13), 10);
+ return checksum === checkdigits;
+}
+/*
+ * fr/lb-LU validation function
+ * (numéro d’identification personnelle, persons only)
+ * Verify birth date validity and run Luhn and Verhoeff checks
+ */
+
+
+function frLuCheck(tin) {
+ // Extract date and check validity
+ var date = "".concat(tin.slice(0, 4), "/").concat(tin.slice(4, 6), "/").concat(tin.slice(6, 8));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Run Luhn check
+
+
+ if (!algorithms.luhnCheck(tin.slice(0, 12))) {
+ return false;
+ } // Remove Luhn check digit and run Verhoeff check
+
+
+ return algorithms.verhoeffCheck("".concat(tin.slice(0, 11)).concat(tin[12]));
+}
+/*
+ * hr-HR validation function
+ * (Osobni identifikacijski broj (OIB), persons/entities)
+ * Verify TIN validity by calling iso7064Check(digits)
+ */
+
+
+function hrHrCheck(tin) {
+ return algorithms.iso7064Check(tin);
+}
+/*
+ * hu-HU validation function
+ * (Adóazonosító jel, persons only)
+ * Verify TIN validity by calculating check (last) digit
+ */
+
+
+function huHuCheck(tin) {
+ // split digits into an array for further processing
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var checksum = 8;
+
+ for (var i = 1; i < 9; i++) {
+ checksum += digits[i] * (i + 1);
+ }
+
+ return checksum % 11 === digits[9];
+}
+/*
+ * lt-LT validation function (should go here if needed)
+ * (Asmens kodas, persons/entities respectively)
+ * Current validation check is alias of etEeCheck- same format applies
+ */
+
+/*
+ * it-IT first/last name validity check
+ * Accepts it-IT TIN-encoded names as a three-element character array and checks their validity
+ * Due to lack of clarity between resources ("Are only Italian consonants used?
+ * What happens if a person has X in their name?" etc.) only two test conditions
+ * have been implemented:
+ * Vowels may only be followed by other vowels or an X character
+ * and X characters after vowels may only be followed by other X characters.
+ */
+
+
+function itItNameCheck(name) {
+ // true at the first occurence of a vowel
+ var vowelflag = false; // true at the first occurence of an X AFTER vowel
+ // (to properly handle last names with X as consonant)
+
+ var xflag = false;
+
+ for (var i = 0; i < 3; i++) {
+ if (!vowelflag && /[AEIOU]/.test(name[i])) {
+ vowelflag = true;
+ } else if (!xflag && vowelflag && name[i] === 'X') {
+ xflag = true;
+ } else if (i > 0) {
+ if (vowelflag && !xflag) {
+ if (!/[AEIOU]/.test(name[i])) {
+ return false;
+ }
+ }
+
+ if (xflag) {
+ if (!/X/.test(name[i])) {
+ return false;
+ }
+ }
+ }
+ }
+
+ return true;
+}
+/*
+ * it-IT validation function
+ * (Codice fiscale (TIN-IT), persons only)
+ * Verify name, birth date and codice catastale validity
+ * and calculate check character.
+ * Material not in DG-TAXUD document sourced from:
+ * `https://en.wikipedia.org/wiki/Italian_fiscal_code`
+ */
+
+
+function itItCheck(tin) {
+ // Capitalize and split characters into an array for further processing
+ var chars = tin.toUpperCase().split(''); // Check first and last name validity calling itItNameCheck()
+
+ if (!itItNameCheck(chars.slice(0, 3))) {
+ return false;
+ }
+
+ if (!itItNameCheck(chars.slice(3, 6))) {
+ return false;
+ } // Convert letters in number spaces back to numbers if any
+
+
+ var number_locations = [6, 7, 9, 10, 12, 13, 14];
+ var number_replace = {
+ L: '0',
+ M: '1',
+ N: '2',
+ P: '3',
+ Q: '4',
+ R: '5',
+ S: '6',
+ T: '7',
+ U: '8',
+ V: '9'
+ };
+
+ for (var _i4 = 0, _number_locations = number_locations; _i4 < _number_locations.length; _i4++) {
+ var i = _number_locations[_i4];
+
+ if (chars[i] in number_replace) {
+ chars.splice(i, 1, number_replace[chars[i]]);
+ }
+ } // Extract month and day, and check date validity
+
+
+ var month_replace = {
+ A: '01',
+ B: '02',
+ C: '03',
+ D: '04',
+ E: '05',
+ H: '06',
+ L: '07',
+ M: '08',
+ P: '09',
+ R: '10',
+ S: '11',
+ T: '12'
+ };
+ var month = month_replace[chars[8]];
+ var day = parseInt(chars[9] + chars[10], 10);
+
+ if (day > 40) {
+ day -= 40;
+ }
+
+ if (day < 10) {
+ day = "0".concat(day);
+ }
+
+ var date = "".concat(chars[6]).concat(chars[7], "/").concat(month, "/").concat(day);
+
+ if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
+ return false;
+ } // Calculate check character by adding up even and odd characters as numbers
+
+
+ var checksum = 0;
+
+ for (var _i5 = 1; _i5 < chars.length - 1; _i5 += 2) {
+ var char_to_int = parseInt(chars[_i5], 10);
+
+ if (isNaN(char_to_int)) {
+ char_to_int = chars[_i5].charCodeAt(0) - 65;
+ }
+
+ checksum += char_to_int;
+ }
+
+ var odd_convert = {
+ // Maps of characters at odd places
+ A: 1,
+ B: 0,
+ C: 5,
+ D: 7,
+ E: 9,
+ F: 13,
+ G: 15,
+ H: 17,
+ I: 19,
+ J: 21,
+ K: 2,
+ L: 4,
+ M: 18,
+ N: 20,
+ O: 11,
+ P: 3,
+ Q: 6,
+ R: 8,
+ S: 12,
+ T: 14,
+ U: 16,
+ V: 10,
+ W: 22,
+ X: 25,
+ Y: 24,
+ Z: 23,
+ 0: 1,
+ 1: 0
+ };
+
+ for (var _i6 = 0; _i6 < chars.length - 1; _i6 += 2) {
+ var _char_to_int = 0;
+
+ if (chars[_i6] in odd_convert) {
+ _char_to_int = odd_convert[chars[_i6]];
+ } else {
+ var multiplier = parseInt(chars[_i6], 10);
+ _char_to_int = 2 * multiplier + 1;
+
+ if (multiplier > 4) {
+ _char_to_int += 2;
+ }
+ }
+
+ checksum += _char_to_int;
+ }
+
+ if (String.fromCharCode(65 + checksum % 26) !== chars[15]) {
+ return false;
+ }
+
+ return true;
+}
+/*
+ * lv-LV validation function
+ * (Personas kods (PK), persons only)
+ * Check validity of birth date and calculate check (last) digit
+ * Support only for old format numbers (not starting with '32', issued before 2017/07/01)
+ * Material not in DG TAXUD document sourced from:
+ * `https://boot.ritakafija.lv/forums/index.php?/topic/88314-personas-koda-algoritms-%C4%8Deksumma/`
+ */
+
+
+function lvLvCheck(tin) {
+ tin = tin.replace(/\W/, ''); // Extract date from TIN
+
+ var day = tin.slice(0, 2);
+
+ if (day !== '32') {
+ // No date/checksum check if new format
+ var month = tin.slice(2, 4);
+
+ if (month !== '00') {
+ // No date check if unknown month
+ var full_year = tin.slice(4, 6);
+
+ switch (tin[6]) {
+ case '0':
+ full_year = "18".concat(full_year);
+ break;
+
+ case '1':
+ full_year = "19".concat(full_year);
+ break;
+
+ default:
+ full_year = "20".concat(full_year);
+ break;
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(tin.slice(2, 4), "/").concat(day);
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ }
+ } // Calculate check digit
+
+
+ var checksum = 1101;
+ var multip_lookup = [1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
+
+ for (var i = 0; i < tin.length - 1; i++) {
+ checksum -= parseInt(tin[i], 10) * multip_lookup[i];
+ }
+
+ return parseInt(tin[10], 10) === checksum % 11;
+ }
+
+ return true;
+}
+/*
+ * mt-MT validation function
+ * (Identity Card Number or Unique Taxpayer Reference, persons/entities)
+ * Verify Identity Card Number structure (no other tests found)
+ */
+
+
+function mtMtCheck(tin) {
+ if (tin.length !== 9) {
+ // No tests for UTR
+ var chars = tin.toUpperCase().split(''); // Fill with zeros if smaller than proper
+
+ while (chars.length < 8) {
+ chars.unshift(0);
+ } // Validate format according to last character
+
+
+ switch (tin[7]) {
+ case 'A':
+ case 'P':
+ if (parseInt(chars[6], 10) === 0) {
+ return false;
+ }
+
+ break;
+
+ default:
+ {
+ var first_part = parseInt(chars.join('').slice(0, 5), 10);
+
+ if (first_part > 32000) {
+ return false;
+ }
+
+ var second_part = parseInt(chars.join('').slice(5, 7), 10);
+
+ if (first_part === second_part) {
+ return false;
+ }
+ }
+ }
+ }
+
+ return true;
+}
+/*
+ * nl-NL validation function
+ * (Burgerservicenummer (BSN) or Rechtspersonen Samenwerkingsverbanden Informatie Nummer (RSIN),
+ * persons/entities respectively)
+ * Verify TIN validity by calculating check (last) digit (variant of MOD 11)
+ */
+
+
+function nlNlCheck(tin) {
+ return algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 8).map(function (a) {
+ return parseInt(a, 10);
+ }), 9) % 11 === parseInt(tin[8], 10);
+}
+/*
+ * pl-PL validation function
+ * (Powszechny Elektroniczny System Ewidencji Ludności (PESEL)
+ * or Numer identyfikacji podatkowej (NIP), persons/entities)
+ * Verify TIN validity by validating birth date (PESEL) and calculating check (last) digit
+ */
+
+
+function plPlCheck(tin) {
+ // NIP
+ if (tin.length === 10) {
+ // Calculate last digit by multiplying with lookup
+ var lookup = [6, 5, 7, 2, 3, 4, 5, 6, 7];
+ var _checksum = 0;
+
+ for (var i = 0; i < lookup.length; i++) {
+ _checksum += parseInt(tin[i], 10) * lookup[i];
+ }
+
+ _checksum %= 11;
+
+ if (_checksum === 10) {
+ return false;
+ }
+
+ return _checksum === parseInt(tin[9], 10);
+ } // PESEL
+ // Extract full year using month
+
+
+ var full_year = tin.slice(0, 2);
+ var month = parseInt(tin.slice(2, 4), 10);
+
+ if (month > 80) {
+ full_year = "18".concat(full_year);
+ month -= 80;
+ } else if (month > 60) {
+ full_year = "22".concat(full_year);
+ month -= 60;
+ } else if (month > 40) {
+ full_year = "21".concat(full_year);
+ month -= 40;
+ } else if (month > 20) {
+ full_year = "20".concat(full_year);
+ month -= 20;
+ } else {
+ full_year = "19".concat(full_year);
+ } // Add leading zero to month if needed
+
+
+ if (month < 10) {
+ month = "0".concat(month);
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Calculate last digit by mulitplying with odd one-digit numbers except 5
+
+
+ var checksum = 0;
+ var multiplier = 1;
+
+ for (var _i7 = 0; _i7 < tin.length - 1; _i7++) {
+ checksum += parseInt(tin[_i7], 10) * multiplier % 10;
+ multiplier += 2;
+
+ if (multiplier > 10) {
+ multiplier = 1;
+ } else if (multiplier === 5) {
+ multiplier += 2;
+ }
+ }
+
+ checksum = 10 - checksum % 10;
+ return checksum === parseInt(tin[10], 10);
+}
+/*
+* pt-BR validation function
+* (Cadastro de Pessoas Físicas (CPF, persons)
+* Cadastro Nacional de Pessoas Jurídicas (CNPJ, entities)
+* Both inputs will be validated
+*/
+
+
+function ptBrCheck(tin) {
+ if (tin.length === 11) {
+ var _sum;
+
+ var remainder;
+ _sum = 0;
+ if ( // Reject known invalid CPFs
+ tin === '11111111111' || tin === '22222222222' || tin === '33333333333' || tin === '44444444444' || tin === '55555555555' || tin === '66666666666' || tin === '77777777777' || tin === '88888888888' || tin === '99999999999' || tin === '00000000000') return false;
+
+ for (var i = 1; i <= 9; i++) {
+ _sum += parseInt(tin.substring(i - 1, i), 10) * (11 - i);
+ }
+
+ remainder = _sum * 10 % 11;
+ if (remainder === 10) remainder = 0;
+ if (remainder !== parseInt(tin.substring(9, 10), 10)) return false;
+ _sum = 0;
+
+ for (var _i8 = 1; _i8 <= 10; _i8++) {
+ _sum += parseInt(tin.substring(_i8 - 1, _i8), 10) * (12 - _i8);
+ }
+
+ remainder = _sum * 10 % 11;
+ if (remainder === 10) remainder = 0;
+ if (remainder !== parseInt(tin.substring(10, 11), 10)) return false;
+ return true;
+ }
+
+ if ( // Reject know invalid CNPJs
+ tin === '00000000000000' || tin === '11111111111111' || tin === '22222222222222' || tin === '33333333333333' || tin === '44444444444444' || tin === '55555555555555' || tin === '66666666666666' || tin === '77777777777777' || tin === '88888888888888' || tin === '99999999999999') {
+ return false;
+ }
+
+ var length = tin.length - 2;
+ var identifiers = tin.substring(0, length);
+ var verificators = tin.substring(length);
+ var sum = 0;
+ var pos = length - 7;
+
+ for (var _i9 = length; _i9 >= 1; _i9--) {
+ sum += identifiers.charAt(length - _i9) * pos;
+ pos -= 1;
+
+ if (pos < 2) {
+ pos = 9;
+ }
+ }
+
+ var result = sum % 11 < 2 ? 0 : 11 - sum % 11;
+
+ if (result !== parseInt(verificators.charAt(0), 10)) {
+ return false;
+ }
+
+ length += 1;
+ identifiers = tin.substring(0, length);
+ sum = 0;
+ pos = length - 7;
+
+ for (var _i10 = length; _i10 >= 1; _i10--) {
+ sum += identifiers.charAt(length - _i10) * pos;
+ pos -= 1;
+
+ if (pos < 2) {
+ pos = 9;
+ }
+ }
+
+ result = sum % 11 < 2 ? 0 : 11 - sum % 11;
+
+ if (result !== parseInt(verificators.charAt(1), 10)) {
+ return false;
+ }
+
+ return true;
+}
+/*
+ * pt-PT validation function
+ * (Número de identificação fiscal (NIF), persons/entities)
+ * Verify TIN validity by calculating check (last) digit (variant of MOD 11)
+ */
+
+
+function ptPtCheck(tin) {
+ var checksum = 11 - algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 8).map(function (a) {
+ return parseInt(a, 10);
+ }), 9) % 11;
+
+ if (checksum > 9) {
+ return parseInt(tin[8], 10) === 0;
+ }
+
+ return checksum === parseInt(tin[8], 10);
+}
+/*
+ * ro-RO validation function
+ * (Cod Numeric Personal (CNP) or Cod de înregistrare fiscală (CIF),
+ * persons only)
+ * Verify CNP validity by calculating check (last) digit (test not found for CIF)
+ * Material not in DG TAXUD document sourced from:
+ * `https://en.wikipedia.org/wiki/National_identification_number#Romania`
+ */
+
+
+function roRoCheck(tin) {
+ if (tin.slice(0, 4) !== '9000') {
+ // No test found for this format
+ // Extract full year using century digit if possible
+ var full_year = tin.slice(1, 3);
+
+ switch (tin[0]) {
+ case '1':
+ case '2':
+ full_year = "19".concat(full_year);
+ break;
+
+ case '3':
+ case '4':
+ full_year = "18".concat(full_year);
+ break;
+
+ case '5':
+ case '6':
+ full_year = "20".concat(full_year);
+ break;
+
+ default:
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(tin.slice(3, 5), "/").concat(tin.slice(5, 7));
+
+ if (date.length === 8) {
+ if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
+ return false;
+ }
+ } else if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ } // Calculate check digit
+
+
+ var digits = tin.split('').map(function (a) {
+ return parseInt(a, 10);
+ });
+ var multipliers = [2, 7, 9, 1, 4, 6, 3, 5, 8, 2, 7, 9];
+ var checksum = 0;
+
+ for (var i = 0; i < multipliers.length; i++) {
+ checksum += digits[i] * multipliers[i];
+ }
+
+ if (checksum % 11 === 10) {
+ return digits[12] === 1;
+ }
+
+ return digits[12] === checksum % 11;
+ }
+
+ return true;
+}
+/*
+ * sk-SK validation function
+ * (Rodné číslo (RČ) or bezvýznamové identifikačné číslo (BIČ), persons only)
+ * Checks validity of pre-1954 birth numbers (rodné číslo) only
+ * Due to the introduction of the pseudo-random BIČ it is not possible to test
+ * post-1954 birth numbers without knowing whether they are BIČ or RČ beforehand
+ */
+
+
+function skSkCheck(tin) {
+ if (tin.length === 9) {
+ tin = tin.replace(/\W/, '');
+
+ if (tin.slice(6) === '000') {
+ return false;
+ } // Three-zero serial not assigned before 1954
+ // Extract full year from TIN length
+
+
+ var full_year = parseInt(tin.slice(0, 2), 10);
+
+ if (full_year > 53) {
+ return false;
+ }
+
+ if (full_year < 10) {
+ full_year = "190".concat(full_year);
+ } else {
+ full_year = "19".concat(full_year);
+ } // Extract month from TIN and normalize
+
+
+ var month = parseInt(tin.slice(2, 4), 10);
+
+ if (month > 50) {
+ month -= 50;
+ }
+
+ if (month < 10) {
+ month = "0".concat(month);
+ } // Check date validity
+
+
+ var date = "".concat(full_year, "/").concat(month, "/").concat(tin.slice(4, 6));
+
+ if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ }
+ }
+
+ return true;
+}
+/*
+ * sl-SI validation function
+ * (Davčna številka, persons/entities)
+ * Verify TIN validity by calculating check (last) digit (variant of MOD 11)
+ */
+
+
+function slSiCheck(tin) {
+ var checksum = 11 - algorithms.reverseMultiplyAndSum(tin.split('').slice(0, 7).map(function (a) {
+ return parseInt(a, 10);
+ }), 8) % 11;
+
+ if (checksum === 10) {
+ return parseInt(tin[7], 10) === 0;
+ }
+
+ return checksum === parseInt(tin[7], 10);
+}
+/*
+ * sv-SE validation function
+ * (Personnummer or samordningsnummer, persons only)
+ * Checks validity of birth date and calls luhnCheck() to validate check (last) digit
+ */
+
+
+function svSeCheck(tin) {
+ // Make copy of TIN and normalize to two-digit year form
+ var tin_copy = tin.slice(0);
+
+ if (tin.length > 11) {
+ tin_copy = tin_copy.slice(2);
+ } // Extract date of birth
+
+
+ var full_year = '';
+ var month = tin_copy.slice(2, 4);
+ var day = parseInt(tin_copy.slice(4, 6), 10);
+
+ if (tin.length > 11) {
+ full_year = tin.slice(0, 4);
+ } else {
+ full_year = tin.slice(0, 2);
+
+ if (tin.length === 11 && day < 60) {
+ // Extract full year from centenarian symbol
+ // Should work just fine until year 10000 or so
+ var current_year = new Date().getFullYear().toString();
+ var current_century = parseInt(current_year.slice(0, 2), 10);
+ current_year = parseInt(current_year, 10);
+
+ if (tin[6] === '-') {
+ if (parseInt("".concat(current_century).concat(full_year), 10) > current_year) {
+ full_year = "".concat(current_century - 1).concat(full_year);
+ } else {
+ full_year = "".concat(current_century).concat(full_year);
+ }
+ } else {
+ full_year = "".concat(current_century - 1).concat(full_year);
+
+ if (current_year - parseInt(full_year, 10) < 100) {
+ return false;
+ }
+ }
+ }
+ } // Normalize day and check date validity
+
+
+ if (day > 60) {
+ day -= 60;
+ }
+
+ if (day < 10) {
+ day = "0".concat(day);
+ }
+
+ var date = "".concat(full_year, "/").concat(month, "/").concat(day);
+
+ if (date.length === 8) {
+ if (!(0, _isDate.default)(date, 'YY/MM/DD')) {
+ return false;
+ }
+ } else if (!(0, _isDate.default)(date, 'YYYY/MM/DD')) {
+ return false;
+ }
+
+ return algorithms.luhnCheck(tin.replace(/\W/, ''));
+} // Locale lookup objects
+
+/*
+ * Tax id regex formats for various locales
+ *
+ * Where not explicitly specified in DG-TAXUD document both
+ * uppercase and lowercase letters are acceptable.
+ */
+
+
+var taxIdFormat = {
+ 'bg-BG': /^\d{10}$/,
+ 'cs-CZ': /^\d{6}\/{0,1}\d{3,4}$/,
+ 'de-AT': /^\d{9}$/,
+ 'de-DE': /^[1-9]\d{10}$/,
+ 'dk-DK': /^\d{6}-{0,1}\d{4}$/,
+ 'el-CY': /^[09]\d{7}[A-Z]$/,
+ 'el-GR': /^([0-4]|[7-9])\d{8}$/,
+ 'en-CA': /^\d{9}$/,
+ 'en-GB': /^\d{10}$|^(?!GB|NK|TN|ZZ)(?![DFIQUV])[A-Z](?![DFIQUVO])[A-Z]\d{6}[ABCD ]$/i,
+ 'en-IE': /^\d{7}[A-W][A-IW]{0,1}$/i,
+ 'en-US': /^\d{2}[- ]{0,1}\d{7}$/,
+ 'es-ES': /^(\d{0,8}|[XYZKLM]\d{7})[A-HJ-NP-TV-Z]$/i,
+ 'et-EE': /^[1-6]\d{6}(00[1-9]|0[1-9][0-9]|[1-6][0-9]{2}|70[0-9]|710)\d$/,
+ 'fi-FI': /^\d{6}[-+A]\d{3}[0-9A-FHJ-NPR-Y]$/i,
+ 'fr-BE': /^\d{11}$/,
+ 'fr-FR': /^[0-3]\d{12}$|^[0-3]\d\s\d{2}(\s\d{3}){3}$/,
+ // Conforms both to official spec and provided example
+ 'fr-LU': /^\d{13}$/,
+ 'hr-HR': /^\d{11}$/,
+ 'hu-HU': /^8\d{9}$/,
+ 'it-IT': /^[A-Z]{6}[L-NP-V0-9]{2}[A-EHLMPRST][L-NP-V0-9]{2}[A-ILMZ][L-NP-V0-9]{3}[A-Z]$/i,
+ 'lv-LV': /^\d{6}-{0,1}\d{5}$/,
+ // Conforms both to DG TAXUD spec and original research
+ 'mt-MT': /^\d{3,7}[APMGLHBZ]$|^([1-8])\1\d{7}$/i,
+ 'nl-NL': /^\d{9}$/,
+ 'pl-PL': /^\d{10,11}$/,
+ 'pt-BR': /(?:^\d{11}$)|(?:^\d{14}$)/,
+ 'pt-PT': /^\d{9}$/,
+ 'ro-RO': /^\d{13}$/,
+ 'sk-SK': /^\d{6}\/{0,1}\d{3,4}$/,
+ 'sl-SI': /^[1-9]\d{7}$/,
+ 'sv-SE': /^(\d{6}[-+]{0,1}\d{4}|(18|19|20)\d{6}[-+]{0,1}\d{4})$/
+}; // taxIdFormat locale aliases
+
+taxIdFormat['lb-LU'] = taxIdFormat['fr-LU'];
+taxIdFormat['lt-LT'] = taxIdFormat['et-EE'];
+taxIdFormat['nl-BE'] = taxIdFormat['fr-BE'];
+taxIdFormat['fr-CA'] = taxIdFormat['en-CA']; // Algorithmic tax id check functions for various locales
+
+var taxIdCheck = {
+ 'bg-BG': bgBgCheck,
+ 'cs-CZ': csCzCheck,
+ 'de-AT': deAtCheck,
+ 'de-DE': deDeCheck,
+ 'dk-DK': dkDkCheck,
+ 'el-CY': elCyCheck,
+ 'el-GR': elGrCheck,
+ 'en-CA': isCanadianSIN,
+ 'en-IE': enIeCheck,
+ 'en-US': enUsCheck,
+ 'es-ES': esEsCheck,
+ 'et-EE': etEeCheck,
+ 'fi-FI': fiFiCheck,
+ 'fr-BE': frBeCheck,
+ 'fr-FR': frFrCheck,
+ 'fr-LU': frLuCheck,
+ 'hr-HR': hrHrCheck,
+ 'hu-HU': huHuCheck,
+ 'it-IT': itItCheck,
+ 'lv-LV': lvLvCheck,
+ 'mt-MT': mtMtCheck,
+ 'nl-NL': nlNlCheck,
+ 'pl-PL': plPlCheck,
+ 'pt-BR': ptBrCheck,
+ 'pt-PT': ptPtCheck,
+ 'ro-RO': roRoCheck,
+ 'sk-SK': skSkCheck,
+ 'sl-SI': slSiCheck,
+ 'sv-SE': svSeCheck
+}; // taxIdCheck locale aliases
+
+taxIdCheck['lb-LU'] = taxIdCheck['fr-LU'];
+taxIdCheck['lt-LT'] = taxIdCheck['et-EE'];
+taxIdCheck['nl-BE'] = taxIdCheck['fr-BE'];
+taxIdCheck['fr-CA'] = taxIdCheck['en-CA']; // Regexes for locales where characters should be omitted before checking format
+
+var allsymbols = /[-\\\/!@#$%\^&\*\(\)\+\=\[\]]+/g;
+var sanitizeRegexes = {
+ 'de-AT': allsymbols,
+ 'de-DE': /[\/\\]/g,
+ 'fr-BE': allsymbols
+}; // sanitizeRegexes locale aliases
+
+sanitizeRegexes['nl-BE'] = sanitizeRegexes['fr-BE'];
+/*
+ * Validator function
+ * Return true if the passed string is a valid tax identification number
+ * for the specified locale.
+ * Throw an error exception if the locale is not supported.
+ */
+
+function isTaxID(str) {
+ var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'en-US';
+ (0, _assertString.default)(str); // Copy TIN to avoid replacement if sanitized
+
+ var strcopy = str.slice(0);
+
+ if (locale in taxIdFormat) {
+ if (locale in sanitizeRegexes) {
+ strcopy = strcopy.replace(sanitizeRegexes[locale], '');
+ }
+
+ if (!taxIdFormat[locale].test(strcopy)) {
+ return false;
+ }
+
+ if (locale in taxIdCheck) {
+ return taxIdCheck[locale](strcopy);
+ } // Fallthrough; not all locales have algorithmic checks
+
+
+ return true;
+ }
+
+ throw new Error("Invalid locale '".concat(locale, "'"));
+}
+
+module.exports = exports.default;
+module.exports.default = exports.default; \ No newline at end of file
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