IRS Definition of Terms – you may find helpful (Part III)
Raw Data – Data before it has been processed, which may not be in a form comprehensible to the machine.
Reprocess — Documents that previously posted to an incorrect TIN or tax period must be reprocessed to the correct TIN or tax period that does not contain a TC 150. Document should not be reprocessed to a module containing a TC 150, or if the statute for assessment has expired for the tax period involved.
PTIN — Is assigned by the Philadelphia Campus as a result of an accepted Form W-7P application. This is a 9-digit valid permanent number beginning with the alpha “P” followed by 8 numerics.
ITIN — Is assigned by Austin Campus because of an accepted Form W-7/W-7SP application. This is a 9-digit valid permanent number beginning with “9” and fourth and fifth digits being “70”-”80”. Appears on MCC or IDRS transcripts with an asterisk (*) and pound sign (#) differentiating it from Temporary SSN which are invalid.
Master File (MF) – A magnetic tape record containing all information regarding the taxpayer’s filing of returns and related documents.
Daily Transaction Register (DTR) – Consists of information regarding the posting of payments, time of filing, and address information.
(IRS Document 6209, TTT 8/31/21 & 9/7/21)