Manual Transmittal

November 07, 2025

Purpose

(1) This transmits revised IRM 3.13.62, Campus Document Services Media Transport and Control.

Material Changes

(1) , Related Resources, Added a link to the USPS site where the Domestic and International Mail Manuals can be found.

(2) , Terms and Acronyms, Removed duplicate terms from table and rearranged to alphabetical order. Added MSU and CRX to acronym table.

(3) , Undeliverable CP Notice and C-Letter Distribution and Mailing Guide. Added instructions for CP 310, CP 312 and CP 313, undeliverable, destroy as classified waste.

(4) Exhibit 3.13.62-53 - Added Send undeliverable Form 668-A Notice of Levy to ACS/CSCO. IPU 25U0291 issued 02-28-2025.

(5) Minor editorial changes have been made throughout this IRM for spelling, punctuation, formatting, masking internal links etc.

Effect on Other Documents

IRM 3.13.62, Campus Document Services - Media Transport and Control, dated November 22, 2024 (effective January 1, 2025) is superseded. This IRM also incorporates the following IRM Procedural Updates (IPUs): IPU 25U0291 issued 02-28-2025.

Audience

Submission Processing and Accounts Management staff including clerks, tax examiners, Customer Service Representatives and managers.

Effective Date

(01-01-2026)

Scott Wallace
Director, Submission Processing
Customer Account Services
Taxpayer Services