Taxpayer Information File (TIF) A file containing entity and tax data processed at a given service center for all TIN’s.
Taxpayer Identification Number (TIN) Every taxpayer on the master file has a permanent number for identification of the tax account.…
Taxpayer Delinquent Investigation (TDI) A computer generated printout indicating that a taxpayer is delinquent filing a return. TDIs are sent…
Taxpayer Delinquent Account (TDA) A computer generated printout indicating that the taxpayer’s account has reached a delinquent status. TDAs are…
Tax Period The period of time for which a return is filed. The Service uses a six digit code to…
Tax Module Part of a taxpayer’s account which reflects tax data for one tax class (MFT) and one tax period.…
Tape Sequence Number (TSN) The sequential number assigned to each block on the transaction tape when it is prepared for…
Tape Module The segments of the master file that contain information on tax processing. This will contain the DLN and…
Tape Edit Program (TEP) This is the computer application program GMF-15, which is the last step in transaction processing before…
Tape Drives The hardware device that holds, reads, and writes to the magnetic tapes.