Revocation of Methods of Analysis Regulation

What it does

The Food and Drug Administration (FDA, the Agency, or we) is issuing a final rule to revoke the methods of analysis regulation, which describes an FDA policy to use certain methods of analysis for FDA enforcement programs when the method of analysis is not prescribed in a regulation. FDA is issuing this action because the existing regulation is no longer necessary.

The Food and Drug Administration's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 21 of the Code of Federal Regulations:

21 CFR 2

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

Compared with

The Food and Drug Administration has published 103 final rules in 2026 so far, compared with 68 in all of 2025.

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

Before this

No earlier Federal Register document under regulation identifier 0910-AI65 since Jan. 1, 2025.

What happens next and when

This rule is effective on March 23, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket FDA-2020-N-1383 on Regulations.gov
• Title 21 on eCFR

The record as published

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