Conformance of Cost Accounting Standards to Generally Accepted Accounting Principles for Cost Accounting Standards 404, 408, 409, and 411

What it does

The Office of Management and Budget (OMB), Cost Accounting Standards Board (the Board), is publishing a final rule wholly rescinding Cost Accounting Standards (CAS) 408 and 411 and rescinding most provisions of CAS 404 and 409 to conform to Generally Accepted Accounting Principles (GAAP). The remaining content from CAS 404 and 409 is transferred to a different location within the Code of Federal Regulations. This final rule follows issuance of a Notice of Proposed Rulemaking (NPRM).

The Federal Procurement Policy Office's summary, as published in the Federal Register.

What changed in the regulation

2 parts of Title 48 of the Code of Federal Regulations:

48 CFR 9903, 48 CFR 9904

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

Compared with

The Federal Procurement Policy Office has published 6 final rules in 2026 so far, compared with 11 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 0348-AB90 since Jan. 1, 2025.

• Sept. 11, 2025 Notice of proposed rulemaking. Conformance of Cost Accounting Standards to Generally Accepted Accounting Principles for Cost Accounting Standards 404, 408, 409, and 411

What happens next and when

Effective date: August 7, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Title 48 on eCFR

The record as published

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