Hazardous Materials: Reducing Costs to Domestic Shippers and Carriers of Limited Quantities

What it does

This final rule removes undue regulatory burdens by allowing regulated entities to use a reduced sized marking for limited quantity shipments of hazardous materials by highway, rail, or vessel.

The Pipeline and Hazardous Materials Safety Administration's summary, as published in the Federal Register.

What changed in the regulation

2 parts of Title 49 of the Code of Federal Regulations:

49 CFR 172, 49 CFR 173

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Pipeline and Hazardous Materials Safety Administration has published 67 final rules in 2026 so far, compared with 42 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

1 earlier Federal Register document under regulation identifier 2137-AG04 since Jan. 1, 2025.

• July 1, 2025 Notice of proposed rulemaking (NPRM). Hazardous Materials: Reducing Costs to Domestic Shippers and Carriers of Limited Quantities

What happens next and when

This final rule is effective September 3, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket PHMSA-2025-0090 on Regulations.gov
• Title 49 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register