LinkPoint AVS Configuration
LinkPoint AVS Settings
Automatically Void Transactions if they do not match allowed AVS codes:
Allowed AVS Codes
  M
Card Code Match
N
Card code does not match
P
Not processed
S
Merchant has indicated that the card code is not present on the card
U
Issuer is not certified and/or has not provided encryption keys

A blank response should indicate that no code was sent and that there was no indication that the code was not present on the card.
YY
Address matches, zip code matches
YN
Address matches, zip code does not match
YX
Address matches, zip code comparison not available
NY
Address does not match, zip code matches
XY
Address comparison not available, zip code matches
NN
Address comparison does not match, zip code does not match
NX
Address does not match, zip code comparison not available
XN
Address comparison not available, zip code does not match
XX
Address comparisons not available, zip code comparison not available