For my credit card form I provide the user with a list of countries. I suppose these are ISO country codes? For the US is there an official list of countries with which I'm not supposed to do business with? Will Authorize.Net catch those transactions? Thanks, Mike -- Michael B Allen PHP Extension for SSO w/ Windows Group Authorization http://www.ioplex.com/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php