This is Business::OnlinePayment::TransactionCentral, a Business::OnlinePayment backend module for the MerchantAnywhere Transaction Central gateway. It is only useful if you have a merchant account with MerchantAnywhere: http://www.merchantanywhere.com/ http://www.merchantanywhere.com/ecshop/TC_elink.htm http://www.merchantanywhere.com/ecshop/TC%20Interface%20NEW.pdf