Integrated Data Retrieval System (IDRS) and Corporate Files On-Line (CFOL) Acronyms and…
Internal Revenue Manual Part 8. Appeals · 2026-10-03 edition · updated 2026-10-04 · United States
Acronym/CC
Acronym/CC Definition
IDRS
Integrated Data Retrieval System
ADD24
IDRS CC used to transfer credit to a Dummy account or when a secondary TC is required.
ADD34
IDRS CC used to transfer credit between modules when no secondary TC is required.
ADD48
IDRS CC used to transfer Overpayment Credit Elect, Refund Repayment, Substantiated Credit Allowances or Withholding/FICA Credit.
ADJ54
IDRS CC used to adjust tax, penalty, interest, credit and reference items on a taxpayer’s account.
BNCHG
IDRS CC generated by CC ENREQ for a BMF/NMF and EPMF entity change.
CFOL
Corporate Files On-Line
CC
Command Code
MF
Master File
ACTON
IDRS CC used to open, update and close an IDRS control base
BMFOL
CFOL CC used to research a business taxpayer's account information
CFINK
CFOL CC used to research Power of Attorney (POA) information on the Centralized Authorization File (CAF)
ENMOD
IDRS CC used to research a taxpayer's entity information
ENREQ
IDRS CC used to open a CC INCHG or BNCHG input screen.
ESTAB
IDRS CC used to enter requests for original paper documents, copies, information, etc. The kind of request made depends on the request code input with CC ESTAB.
IDT48
IDRS CC used to reverse a fraudulent refund to the taxpayer affected by ID THEFT.
IDT58
IDRS CC used to reverse a partial refund to the taxpayer affected by ID THEFT.
IMFOL
CFOL CC used to research an individual taxpayer's account information
INCHG
IDRS CC generated by CC ENREQ for an IMF entity change.
INOLES
CFOL CC used to research a taxpayer's entity information
ISTSRA
ISTSR with Definer A displays a case with all its data fields, stages and comments.
REQ54
IDRS CC used to open CC ADJ54 format screen.
REQ77/FRM77
IDRS CC used to input miscellaneous transaction codes to the tax module
SPARQ
CFOL CC used to research a more current address of a former spouse associated with a prior year Married Filing Joint Form 1040.
STAUP
IDRS CC used to update/suspend MF Status for modules that are or have been balance due modules. Command Code STAUP is valid for IMF, BMF, IRAF, and NMF.
TERUP
IDRS CC used to delete all or part of the entries made to a specific account by a specific employee.
TSCHG
PCS CC used to effect changes to PICF data elements.
TSCLS
PCS CC used to close the partnership/partner linkage
TXMODA
IDRS CC used to display a taxpayer's account, monitor account updates, and research pending, posted and unpostable transaction codes.
XSINQ
IDRS CC used to research the Excess Collections File
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