How to validate ISO's Creditor Reference

How to Validate The Structured Creditor Reference JKN Consulting Oy Juha Keski-Nisula juha@jknc.eu http://www.jknc.eu © JKN Consulting Oy 2009 www.jknc.eu

Howto validate? 1. Move the first four characters of the Creditor Reference to the right end of reference. - RF and Check Digits 2. Convert RF to numeric - RF = 2715 3. Convert other characters to numeric – if any (according last slide) 4. Calculate the modulo 97 (the remainder after division by 97). 5. If the remainder is 1 (one), then the check digits are correct. © JKN Consulting Oy 2009 www.jknc.eu

Validating Check Digits RF CC XXYYZZ XXYYZZ RFCC XXYYZZ 2715CC X Modulo 97 RF is valid =1 IF X <>1 RF is wrong © JKN Consulting Oy 2009 www.jknc.eu

Validating Check Digits -example RF71 2348 231 RF 71 2348 231 2348 231 RF 71 2348 231 271571 1 Modulo 97 Creditor Reference is Valid © JKN Consulting Oy 2009 www.jknc.eu

Validating Check Digits -example RF05 A246 X13 RF 05 A246 X13 A246 X13 RF 05 10246 3313 271505 1 Modulo 97 Creditor Reference is Valid © JKN Consulting Oy 2009 www.jknc.eu

Conversion Rules for Characters A a = 10 F f = 15 K k = 20 P p = 25 U u= 30 B b = 11 G g = 16 L l = 21 Q q = 26 V v = 31 C c = 12 H h = 17 M m = 22 R r = 27 W w = 32 D d = 13 I i = 18 N n = 23 S s = 28 X x = 33 E e = 14 J j = 19 O o = 24 T t = 29 Y y = 34 Z z = 35 © JKN Consulting Oy 2009 www.jknc.eu

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How to validate ISO's Creditor Reference

by XMLdation.com Ltd / JKN Consulting Ltd on Jul 09, 2009

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How to validate ISO’s Creditor Reference — Presentation Transcript