9.10 Processing Codes

Refer to the table below for details of supported Discover Network processing codes and how these map to Thredd processing codes.

Field Position

Thredd Value

Description

Supported

Notes

Processing Codes

(Positions 1 and 2)

00

Goods and Services

√

 

 

01

Cash

√

 

 

39

Card Account Verification Request

√

 

 

20

Merchandise Return

√

Thredd use the wording Refund

 

 

Adjustment

x

Not in scope for phase 1

 

 

Account Credit Transaction

x

Not in scope for phase 1

 

30

Balance Inquiry

x

Not in scope for phase 1. This is for physical cards/ ATM

 

98

PIN Change

x

Not in scope for phase 1

 

99

PIN Unblock

x

Not in scope for phase 1

“From” Account Types

(Positions 3 and 4)

00

Default—unspecified

√

Other types will not be received

 

30

Credit Facility

√

Thredd call this credit account

“To” Account Types

(Positions 5 and 6)

00

Default—unspecified

√

Other types will not be received

 

30

Credit Facility

√

Thredd call this credit account