Additional data

This field can be sent in the sales (CRT) or confirmation (CNF) transaction. It is a referring field additional transaction data. It is an ALPHANUMERIC field of up to 40 bytes.

For the AVista network, additional information may be sent in the following transactions, in addition to the Sale:

• Invoice Payment
• Withdrawal - Credit
• Cancellations (Sales, Invoice Payment and Withdrawal) NOTE: . For the Avista network, the maximum size of information to be collected is defined by SiTef.