TSYS Acquiring Solutions: Level II and Level III CyberSource does not support Level II processing for the American Express card type on TSYS Acquiring Solutions. Transaction Requirements When you send a capture or credit request with Level II or Level III data or both, you must include the required fields for every capture or credit request. For information about the non-Level-II and non-Level-III fields required for capture and credit requests, see the Credit Card Services User Guide. Interchange Rates This document provides guidelines that indicate which fields are needed in order to obtain the best interchange rates. These guidelines are based on industry information. CyberSource recommends that you contact your acquirer for the most current information because the payment card companies can change their requirements at any time. Data Types Fields for amounts and tax rates use a string data type. However, you should include only numbers and a decimal point in those fields. Processor Specification The specification that CyberSource used to implement Level III processing for TSYS Acquiring Solutions (Vital) is Vital’s EIS 1081, Level III Line Item Processing, version 6.4, April 2004. The records referenced are: ■ Transaction Detail Record — Optional Data; Groups 25, 26, and 27 ■ Visa Card Non-T&E and Fleet (Non-fuel) Line Item Detail Record ■ Mastercard Non-T&E and Fleet (Non-fuel) Line Item Detail Record