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USPS Process Guide
Appendix F – Transaction Codes

Exception Transaction Codes

TRN Code # Type of Transaction Screen ID
700 Standard time reporting HUAU1
8xx
(xx denotes Ded #)
See Appendix A
Deduction override HUDU1
9xx
(xx denotes Sp #)
See Appendix B
Special pay override HUEU1

Adjustment Transaction Codes

TRN Code # Type of Transaction Screen ID
460 Warrant/Direct Deposit Reversal and/or Reissue
503 Payment information
400 Labor adjustment  
500 Tax adjustment  
550 Deduction adjustment  
6xx
(xx denotes special pay #)
See Appendix B
Special pay adjustment  

Miscellaneous Codes

Code Type of Transaction Screen ID
CTL Payroll transaction on run control HSCU1
IBC Pay transaction on balancing HRSUB