Add Rspn AVR

This field contains a one-character Address Verification Result code:

If address verification is being used, this field should contain the value returned in the original authorization response message.
If the transaction is a credit or was otherwise processed offline, this field should be defaulted to zero.

The following table lists address verification results codes:

Code	Definition
X	Exact match, nine-character numeric ZIP
Y	Exact match, five-character numeric ZIP
A	Address match only
W	Nine-character numeric ZIP match only
Z	Five-character numeric ZIP match only
N	No address or ZIP match
U	Address unavailable
G	Non-U.S. issuer. Does not participate
R	Issuer system unavailable
E	Not a mail/phone order
S	Service not supported