
Gateway Developer Guide and Reference 31 July 2012 177
Submitting Purchasing Card Level 2 and Level 3 Transactions
Paymentech Salem (New Hampshire) Purchasing Card Transaction Processing
C
Transaction Advice Detail Parameters
Paymentech Salem (New Hampshire) Level 3 Purchasing Card Parameters
Paymentech Salem (New Hampshire) supports Level 3 parameters for MasterCard and Visa.
Both Level 2 transaction parameters in the following table are required for Level 3
transactions. Level 3 transactions that do not include them are rejected.
Paymentech Salem (New Hampshire) Level 2 Parameters Required for Level 3
Transactions
To get the discount rate, pass both Level 2 parameters in the following table.
Level 2 Parameters Required for Level 3 Transactions
MERCHANTID (Required) American Express-assigned service establishment number used to identify
and facilitate payments to merchants.
NOTE: Paymentech must enable your division for soft merchant processing or your
transaction will fail with response reason code 258. Contact your Paymentech
Account Manager for details.
Character length and limitations: 15 alphanumeric characters
MERCHANTCONTACTINFO (Optional) Merchant’s telephone number or web address. (URLs and e-mail addresses
may be lowercase, as appropriate.) This entry may appear on the descriptive bill on
the card-member’s statement, or may be used to resolve billing inquiries and disputes.
NOTE: Paymentech must enable your division for soft merchant processing or your
transaction will fail with response reason code 258. Contact your Paymentech
Account Manager for details.
Character length and limitations: 40 alphanumeric characters
Field Description
ADDLAMT
n (Optional) Detail of a charge where n is a value from 1 - 5. Use for additional
breakdown of the amount.
Character length and limitations: Must include a decimal and be exact to the cent
(42.00, not 42) and exclude comma separators (1234.56 not 1,234.56). Examples:
tip=3.00, convenience charge=2.00. 12 numeric characters
ADDLAMTTYPE
n (Optional) A 3-digit code indicating the type of the corresponding charge detail,
where
n is a value from 1 - 5.
Character length and limitations: 3 numeric characters
Parameter Description
PONUM (Required) Customer reference number.
Character length and limitations: 1 to 17 alphanumeric characters
Field Description
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