2009

Table Of Contents
Fraud Filter Reference
High-risk Payment Filters
E
88 Fraud Protection Services User’s Guide
Processors that Support AVS
The AVS services listed in the table below are supported.
Specify one of the AVS settings:
z Full: Take action if a transaction returns any value other than YY (Y for street address and
Y for ZIP code).
z Medium: Take action if a transaction returns values other than these: XX, XY, YX, and
YY.
z Light: Take action only if NN is returned.
This table summarizes AVS levels:
TABLE E.2 Processing platforms supporting AVS
Processing Platform
American
Express Discover MasterCard Visa
American Express Phoenix X—
American Express Brighton X—
FDMS Nashville XXX X
FDMS North XXX X
FDMS South XXX X
Global Payments Central XXX X
Global Payments East XXX X
Merchant e-Solutions XXX X
Elavon (formerly Nova) XXX X
Paymentech Salem (New
Hampshire)
XXX X
Paymentech Tampa XXX X
TSYS Acquiring Solutions
(formerly Vital Processing
Services)
XXX X
T
ABLE E.3 AVS responses
AVS Setting Allowed Responses
Full (Y, Y)
Medium (X, X), (X, Y), (Y, X), (Y, Y)
Light (X, X), (X, Y), (Y, X), (X, N), (N, X), (N, Y), (Y, N), (Y, Y)