Internal Revenue Manual Part 2. Information Technology

Official source: Internal Revenue Manual (https://www.irs.gov/irm/part2/irm_02-004-001), retrieved 2026-10-03. U.S. Government work (17 U.S.C. § 105).

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(1) This transmits revised IRM 2.4.1, IDRS Terminal Input, Section Titles and Command Codes for IDRS Terminal Input.

(1) IRM 2.4.1.1 Included mandatory internal control subsection.

(2) IRM 2.4.1.1 Updated stakeholder Wage & Investment (W&I) to reflect new name Taxpayer Services (TS).

(3) Editorial changes have been made throughout IRM section.

This IRM provides instructions for the use of the Integrated Data Retrieval System (IDRS) terminal displays.

Purpose: These instructions provide a guide to research information on the use and contents of IDRS, abbreviations and definitions, as well as explicit instructions on the use of command codes in extracting data. Some command codes used for entering information also are included in this IRM. Additional command codes used for entering transactions (adjustments, remittances, entity changes, etc.) are discussed in IRM 2.4.2, IDRS Terminal Input.

Audience: LMSB, SB/SE, TE/GE and TS

Policy Owner: Project Director-Dean, Information Technology

Primary Stakeholders: Instructions for administering the IDRS Security System are included in IRM 2.4.2, IDRS Terminal Responses, Command Codes SINON, SINOF, RMODE, LOKME, CMODE, and FIEMP.

Program Owner: Taxpayer Services (TS) is responsible for the administration, procedures, and updates related to the program.

Program Goals: This IRM is a general use IRM for IDRS terminal operations at all SCRS locations. Document 6209 - IRS Processing Codes and Information, Chapter 13, may be used in conjunction with this IRM. Instructions relating to the use of IDRS and what is to be accomplished by its use can be found in the appropriate procedural handbooks and Internal Revenue Manuals. This section contains information on:

IDRS Databases;

IDRS Research Techniques;

IDRS Terminology;

Miscellaneous Error Messages;

Disclosure and Security awareness, and

IDRS time savers.

Contact Information: Applications Development, Internal Management, Im Sub Office, Account Services Branch

This revision updates IRM 2.4.1 IDRS Terminal Input Section Titles or Command Codes with the required Internal Controls as outlined by IRM 1.11.2.2.5

Editorial changes were made throughout the section.

All IRS systems and applications shall be compliant with Executive Orders (EOs), Office of Management and Budget (OMB), Federal Information Security Modernization Act of 2014 (FISMA), National Institute of Standards and Technology (NIST), Cyber-security and Infrastructure Security Agency (CISA), National Archives and Records Administration (NARA), Department of the Treasury, and IRS guidelines as they apply.

This IRM 2.4.1, IDRS Terminal Responses, Section Titles and Command Codes for IDRS Terminal Responses, lists the Command Codes in alphabetical & numerical order and the IDRS Terminal Responses in numerical order.

Provides such details as the name of the author, section description, and previous versions of the section.

Provides contact information for the responsible branch

Terminal Input are listed in Numerical order.

Command Codes are listed in Alphabetical order.

These Command Codes and Terminal Responses are used in Campuses and Area Offices to research or input data related to Delinquency Investigations during the Taxpayer Delinquent Return Notice phase of the investigation or after a TDI (Taxpayer Delinquency Investigation, Form TYD14) has been issued.

Section titles for IRM 2.3, IDRS Terminal Responses, are listed in numerical order in See Exhibit 2.4.1-1. Command codes are listed in alphabetical order in See Exhibit 2.4.1-2.

Command code users may contact the Information Technology Asset Management System (ITAMS) Help Desk to report a problem or to locate the Owner of the command code.

This is another avenue for IRS employees to find out more information about each section in the catalog or access through the IRS Multimedia Publishing Home Page.

The name of the author, section description or previous versions can be researched through the IRS’s Multimedia Publishing Home Page.

Acronyms

Definition

LB&I

Large Business and International

SB/SE

Small Business Self Employed

TE/GE

Tax Exempt and Government Entities

TS

Taxpayer Services

EOs

Enterprise Operations Services

OMB

Office of Management and Budget

FISMA

Federal Information Security Modernization Act

NIST

National Institute of Standards and Technology

CISA

Cyber security and Infrastructure Security Agency

NARA

National Archives and Records Administration

CC

Command Codes

IRS

Internal Revenue Service

IDRS

Integrated Data Retrieval System

ITAMS

Information Technology Asset Management System

IRM

Internal Revenue Manual

IMF

Individual Master File

BMF

Business Master File

TIF

Taxpayer Information File(s)

LMSB

Large and Midsize Business Issue Management System

Servicewide Electronic Research Program (SERP) - IDRS Command Code Job Aid

Integrated Data Retrieval System (IDRS)

Integrated Automation Technologies (IAT)

Section titles for IRM 2.4, IDRS Terminal Input, are listed in numerical order in See Exhibit 2.4.1-1. Command codes are listed in alphabetical order in See Exhibit 2.4.1-2,

Command Code users may contact the Information Technology Asset Management System (ITAMS) Help Desk in order to report a problem or to locate the "owner" of the command code.

Another avenue available to IRS employees for finding out more about each section is the catalog accessed through the IRS Multimedia Publishing Home Page. The information provided by this online catalog includes such details as the name of the author, section description, and previous versions of the section. See Exhibit 2.4.1-3 for a description of how to access this catalog.

IRM 2.4, IDRS Terminal Input

Section

Title

1

Section Titles and Command Codes for IDRS Terminal Input

2

Introduction, Security, and Command Codes SINON, SINOF, and RMODE for IDRS Terminal Input

3

Reserved

4

Command Code MESSG

5

Command Codes QRADD, QRADDO, QRNCH, QRNCHG, RVIEW, QRACN, and QRIND for the Quality Review System

6

Command Codes LETER, LPAGE, LPAGD, LETUP, LETED, and LREVW

7

Command Codes KAFRM, KAFAD, UPTCF, UPRCF, UPNCF, FRM3P, and ADD3P for CAF update

8

Command Codes ESIGN and BSIGN

9

Command Codes ENREQ, INCHG, IRCHG, BNCHG, and BRCHG

10

Command Codes EOREQ and EOCHG

11

Command Code NMFTM

12

Command Codes DELET and CCPYT

13

Command Code TERUP

14

Command Code NMFST

15

Command Codes ETXCL, SEQNC, STBLK, PAYMT, PYBAL, VARIA, CRBLK, and TXCTL for Area Office Payment Processing

16

Command Codes REQ54 and ADJ54

17

Command Codes ADD24/48, ADC24/48, ADD34, ADC34, FRM34, and DRT24/48

18

Command Codes REQ77, FRM77, and FRM7A

19

Command Codes RFUND and REFAP

20

Command Codes CHK64 and CHK64R

21

Command Code CRMNL

22

Command Codes CHKCLR and CHKCL

23

Command Codes FMADD, URADD, ESAPL, FMREF, URREF, FMAPL, URAPL, UROUT, and URENT

24

Command Codes BDADDR, BDADD, BDAPLR, BDAPL, BDOUTR, BDOUT, BDENT, and BDINQ

25

Command Codes FRM14, FRM49, and TDIRQ

26

Command Codes ASGNI and ASGNB

27

Command Codes STAUP, STATI, and STATB

28

Command Codes TELEA, TELEC, TELED and TELER for Telephone Processing

29

Command Codes IAGRE, IAORG, IAPND, IAREV, IADFL, and IADIS

30

Command Code LEVYS, LEVYD, LEVYE, LEVYM, and LEVYR

31

Command Code PDTUP

32

Command Codes EFTNT, EFTAD, and EFTOF for Electronic Funds Transfer

33

Command Code DOALL

34

Command Code STN90

35

Reserved

36

Command Code NOREF

37

Command Code CSEDR

38

Command Codes ASEDD and ASEDR

39

Command Codes RAFAD, RAFRM, RAFUP, and RAFSR

40

Command Code UNLCE

41

Command Code CCASG for Case Control Activity System

42

Command Code PINEX

43

Command Codes XSADD, XSREF, XSAPL, XSOUT, and XSENT

44

Command Code NRP97

45

Command Code EPLAN

46

Command Code VPMSG

47

Command Code VPPIN

48

Command Codes AGENT, ISIGN, ITUPT, and ITMRG

49

Command Code ASIGN

50

Command Code PSIGN

51

Command Codes TPCIN and TPCOL

52

Command Code DUPED

53

Command Codes CSPOD, CSPSP, CSSAD, and CSZIP

54

Command Codes CSPIA and CSORD

55

Command Code ISTSR

56

Command Code CDPTR

57

Command Code DDBCK

IRM 2.4, IDRS Terminal Input

Command Code

Section

ADC24

17

ADC34

17

ADC48

17

ADD24

17

ADD34

17

ADD3P

7

ADD48

17

ADJ54

16

AGENT

49

ASEDD

39

ASEDR

39

ASGNB

27

ASGNI

27

ASIGN

50

BDADD

25

BDADDR

25

BDAPL

25

BDAPLR

25

BDENT

25

BDINQ

25

BDOUT

25

BDOUTR

25

BNCHG

9

BRCHG

9

BSIGN

8

CCASG

42

CCPYT

12

CDPTR

57

CHK64

21

CHK64R

21

CHKCL

23

CHKCLR

23

CRBLK

15

CRMNL

22

CSEDR

38

CSORD

55

CSPIA

55

CSPOD

54

CSPSP

54

CSSAD

54

CSZIP

54

DDBCK

58

DELET

12

DOALL

34

DRT24

17

DRT48

17

DUPED

53

EFTAD

33

EFTNT

33

EFTOF

33

ENREQ

9

EOCHG

10

EOREQ

10

EPLAN

46

ESAPL

24

ESIGN

8

ETXCL

15

FMADD

24

FMAPL

24

FMREF

24

FRM3P

7

FRM7A

19

FRM14

26

FRM34

17

FRM49

26

FRM77

19

IADFL

30

IADFR

30

IADIS

30

IAGRE

30

IAORG

30

IAPND

30

IAREV

30

INCHG

9

IRCHG

9

ISIGN

49

ISTSR

56

ITMRG

49

ITUPT

49

KAFAD

7

KAFRM

7

LETED

6

LETER

6

LETUP

6

LEVYD

31

LEVYE

31

LEVYM

31

LEVYR

31

LEVYS

31

LPAGD

6

LPAGE

6

LREVW

6

MESSG

4

NMFST

14

NMFTM

11

NOREF

37

NRP97

45

PAYMT

15

PDTUP

32

PINEX

43

PSIGN

51

PYBAL

15

QRACN

5

QRADD

5

QRADDG

5

QRIND

5

QRNCH

5

QRNCHG

5

RAFAD

40

RAFRM

40

RAFSR

40

RAFUP

40

REFAP

20

REQ54

16

REQ77

19

RFUND

20

RMODE

2

RVIEW

5

SEQNC

15

SINOF

2

SINON

2

STATB

28

STATI

28

STAUP

28

STBLK

15

STN90

35

TDIRQ

26

TELEA

29

TELEC

29

TELED

29

TELER

29

TERUP

13

TPCIN

52

TPCOL

52

TXCTL

15

UNLCE

41

UPNCF

7

UPRCF

7

UPTCF

7

URADD

24

URAPL

24

URENT

24

UROUT

24

URREF

24

VARIA

15

VPMSG

47

VPPIN

48

XSADD

44

XSAPL

44

XSENT

44

XSOUT

44

XSREF

44

The URL of the Multimedia Publishing home page is: http://publish.no.irs.gov.

Select Catalog.

Access information about the section by entering data in one of the three regions of the page:

VIEW BY CATALOG NUMBER;

VIEW BY PRODUCT NUMBER, or

VIEW BY PRODUCT TITLE SEARCH.

The sequence of steps described below for each option will retrieve a "detailed" page of information (including author and content description) for each section . In addition to this background information, the IRS employee can choose to view any one of the published/online versions of the section.

For VIEW BY CATALOG NUMBER:

Enter the catalog number of the section in the box next to Enter catalog number.

Click on SUBMIT or press ENTER.

The catalog number is printed on the right side of the footer of the manual transmittal page published with each section.

For VIEW BY PRODUCT NUMBER:

Select IRManual from the dropdown menu next to Select Product Type.

Skip the Enter Product Number box.

In the Enter Product Suffix box, enter the number of the IRM to search for. In this case the IRM number is 2.4.

Click on SUBMIT or press ENTER.

Click the appropriate section entry to access the information page about the section.

For VIEW BY PRODUCT TITLE SEARCH:

Select IRManual from the dropdown menu next to Select Product Type.

In the Enter Search Word(s) box, enter a command code (the entire word) or a phrase such as "command code" ) to search for.

Click SEARCH or press ENTER.

Click the appropriate document entry to access the information page about the section.

To access the section itself, click on one of the dates listed in the ELECTRONIC AVAILABILITY section of the page.

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