115 lines
3.1 KiB
JavaScript
115 lines
3.1 KiB
JavaScript
/*
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* Código de identificación fiscal ( CIF ) is the tax identification code for Spanish legal entities
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* Further rules can be found in Spanish on http://es.wikipedia.org/wiki/C%C3%B3digo_de_identificaci%C3%B3n_fiscal
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*
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* Spanish CIF structure:
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*
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* [ T ][ P ][ P ][ N ][ N ][ N ][ N ][ N ][ C ]
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*
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* Where:
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*
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* T: 1 character. Kind of Organization Letter: [ABCDEFGHJKLMNPQRSUVW]
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* P: 2 characters. Province.
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* N: 5 characters. Secuencial Number within the province.
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* C: 1 character. Control Digit: [0-9A-J].
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*
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* [ T ]: Kind of Organizations. Possible values:
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*
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* A. Corporations
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* B. LLCs
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* C. General partnerships
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* D. Companies limited partnerships
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* E. Communities of goods
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* F. Cooperative Societies
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* G. Associations
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* H. Communities of homeowners in horizontal property regime
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* J. Civil Societies
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* K. Old format
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* L. Old format
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* M. Old format
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* N. Nonresident entities
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* P. Local authorities
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* Q. Autonomous bodies, state or not, and the like, and congregations and religious institutions
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* R. Congregations and religious institutions (since 2008 ORDER EHA/451/2008)
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* S. Organs of State Administration and regions
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* V. Agrarian Transformation
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* W. Permanent establishments of non-resident in Spain
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*
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* [ C ]: Control Digit. It can be a number or a letter depending on T value:
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* [ T ] --> [ C ]
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* ------ ----------
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* A Number
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* B Number
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* E Number
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* H Number
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* K Letter
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* P Letter
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* Q Letter
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* S Letter
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*
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*/
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$.validator.addMethod( "cifES", function( value, element ) {
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"use strict";
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if ( this.optional( element ) ) {
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return true;
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}
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var cifRegEx = new RegExp( /^([ABCDEFGHJKLMNPQRSUVW])(\d{7})([0-9A-J])$/gi );
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var letter = value.substring( 0, 1 ), // [ T ]
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number = value.substring( 1, 8 ), // [ P ][ P ][ N ][ N ][ N ][ N ][ N ]
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control = value.substring( 8, 9 ), // [ C ]
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all_sum = 0,
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even_sum = 0,
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odd_sum = 0,
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i, n,
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control_digit,
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control_letter;
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function isOdd( n ) {
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return n % 2 === 0;
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}
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// Quick format test
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if ( value.length !== 9 || !cifRegEx.test( value ) ) {
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return false;
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}
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for ( i = 0; i < number.length; i++ ) {
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n = parseInt( number[ i ], 10 );
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// Odd positions
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if ( isOdd( i ) ) {
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// Odd positions are multiplied first.
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n *= 2;
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// If the multiplication is bigger than 10 we need to adjust
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odd_sum += n < 10 ? n : n - 9;
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// Even positions
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// Just sum them
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} else {
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even_sum += n;
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}
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}
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all_sum = even_sum + odd_sum;
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control_digit = ( 10 - ( all_sum ).toString().substr( -1 ) ).toString();
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control_digit = parseInt( control_digit, 10 ) > 9 ? "0" : control_digit;
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control_letter = "JABCDEFGHI".substr( control_digit, 1 ).toString();
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// Control must be a digit
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if ( letter.match( /[ABEH]/ ) ) {
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return control === control_digit;
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// Control must be a letter
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} else if ( letter.match( /[KPQS]/ ) ) {
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return control === control_letter;
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}
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// Can be either
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return control === control_digit || control === control_letter;
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}, "Please specify a valid CIF number." );
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