39 CFR § 3040.105 - Modifications to the Mail Classification Schedule.

---
identifier: "/us/cfr/t39/s3040.105"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "39 CFR § 3040.105 - Modifications to the Mail Classification Schedule."
title_number: 39
title_name: "Postal Service"
section_number: "3040.105"
section_name: "Modifications to the Mail Classification Schedule."
chapter_name: "POSTAL REGULATORY COMMISSION"
subchapter_number: "E"
subchapter_name: "REGULATIONS GOVERNING MARKET DOMINANT PRODUCTS, COMPETITIVE PRODUCTS, PRODUCT LISTS, AND MARKET TESTS"
part_number: "3040"
part_name: "PRODUCT LISTS AND THE MAIL CLASSIFICATION SCHEDULE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "39 U.S.C. 503; 3622; 3631; 3642; 3682."
regulatory_source: "72 FR 63698, Nov. 9, 2007, unless otherwise noted. Redesignated at 85 FR 9615, Feb. 19, 2020."
cfr_part: "3040"
---


# 3040.105 Modifications to the Mail Classification Schedule.

(a) Whenever the Postal Regulatory Commission issues a final order that modifies the Mail Classification Schedule, it shall update the Mail Classification Schedule appearing on its website at *http://www.prc.gov* in accordance with paragraph (b) of this section.

(b) Modification to the Mail Classification Schedule shall be incorporated within 3 months of the issue date of the final order.

(c) Modifications pending incorporation into the Mail Classification Schedule are effective immediately upon written direction from the Postal Regulatory Commission.

[81 FR 38954, June 15, 2016. Redesignated and amended at 85 FR 9615, 9660, Feb. 19, 2020]