DESCCValidator is an Active Server Component, which validates Credit Card Numbers for any ASP page. Features include: Compatibility with IIS 3, IIS 4 and PWS, Automatic ActiveX DLL Registration, Thorough help files and trouble shooting, Included uninstall application, and Validates Visa, Mastercard, American Express, Diner's Club, and Discover Card. Please note that DESCCValidator only Validates the authenticity of a Credit Card's Number, it does not check the balance in the account.