Additional (provider) error codes

Additional (provider) error codes
Standard ISO8583’93 authorization response codes to identify authorization processing result.
Code groups
Code block Meaning
0xx Authorization approval
1xx
Authorisation declined by issuer or by card scheme on behalf of issuer.
Some codes indicate decline by acquirer when there is problem with merchant setup or transaction type
2xx Authorization declined by issuer or by card scheme on behalf of issuer. 2xx indicated more significant reason to decline than 1xx code.
9xx
Indicate technical problem with processing of authorization
940 – is used by First Data fraud monitoring to decline authorizations. Applicable only if PSP uses First Data fraud monitoring services
4xx Indicates successful processing of Reversal