Internal Revenue Manual Part 2. Information Technology

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

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(1) This transmits revised IRM 2.4.4, IDRS Terminal Input, Command Code MESSG.

(1) IRM 2.4.4.1 updated mandatory internal controls.

Overview: This section provides specific instructions for IDRS (Integrated Data Retrieval System) Command Code MESSG

Purpose: This IRM contains procedural steps for use of the MESSG Command Code.

Audience: These procedures applies to All IDRS users.

Policy Owner: The Chief Information Officer (CIO) is responsible for overseeing all aspects of our systems that operate the nation’s tax infrastructure.

Program Owner: Enterprise Operations, Enterprise Server Division

Primary Stakeholders: All IDRS users.

Program Goals: This Command Code displays the contents of the online MESSG file to provide information tor IDRS users.

This IRM and the contained sections provide the user the necessary information on how to use the command code MESSG.

MESSG was developed to provide information to all IDRS users. These messages will be subject to IDRS Quality Review.

ESD Project Lead is responsible for review and implementation of WRs that affect MESSG updating the contents of this IRM.

Access to this program is governed by SACS.

These are the abbreviations unique to MESSG.

The following resources may assist in performing the work as outlined in this IRM:

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

Integrated Data Retrieval System (IDRS)

Integrated Automation Technologies (IAT)

This section provides instructions for the use of the IDRS MESSG command code. MESSG displays the message file.

The message file provides information to all IDRS users. The file can be read by all users; however, only those persons designated may update the file. The message file content and the maximum number of pages on the message file are determined by the campus management.

Valid Responses — Message file content begins to be displayed beginning on line 2.

Error Responses — Displayed on line 24.

Message

Meaning

NO MESSAGE AVAILABLE

No pages were present on the message file. Contact the computing center DBA to reload the file.

Input Display

Record Element Description for Command Code MESSG

MESSG nn

Item

Line

Position

Description and Validity

1

1

1–5

MESSG

2

1

7-8

nn. This is an optional field for direct page access

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