Rule lifecycle · RIN:0348-AB90
Conformance of Cost Accounting Standards to Generally Accepted Accounting Principles for Cost Accounting Standards 404, 408, 409, and 411
Office of Management and Budget, Office of Federal Procurement Policy — observed across 2 documents over 300 days. Use the source documents below before deciding whether this affects your business.
In plain English
The federal government is updating accounting rules for government contractors to match standard accounting practices, making it easier for contractors to use one system for both government and regular business. If your company does government contract work, review your accounting methods by August 7, 2026, to comply with the new standards and avoid penalties.
First seen
Sep 11, 2025
Last seen
Jul 8, 2026
Latest stage
Rule
PRORULE → RULE
300d
Effective on
Friday, August 7, 2026
Stage timeline
Proposed·Sep 11, 2025
Conformance of Cost Accounting Standards to Generally Accepted Accounting Principles for Cost Accounting Standards 404, 408, 409, and 411
comments close Oct 14, 2025#2025-17472
Final·Jul 8, 2026·91 FR 42139
Conformance of Cost Accounting Standards to Generally Accepted Accounting Principles for Cost Accounting Standards 404, 408, 409, and 411
effective Aug 7, 2026#2026-13764