http://www.markcarey.com/web/credit-card-numbers/ Copyright 2007 Fri, 16 Feb 2007 08:14:13 -0500 http://www.movabletype.org/?v=3.31 http://blogs.law.harvard.edu/tech/rss Credit Card Numbers: Credit Card Check Digit ValidationCredit Card Validation - Check Digits. This document outlines procedures and algorithms for Verifying the accuracy and validity of credit card numbers. ... BBC NEWS | Business | Credit card da http://www.markcarey.com/web/credit-card-numbers/ http://www.markcarey.com/web/credit-card-numbers/ Credit Card Numbers Fri, 16 Feb 2007 08:14:13 -0500