49 C.F.R. § 5.43
Petitions for guidance.
Cite as 49 C.F.R. § 5.43 (2026)
Any person may petition an OA or OST component to withdraw or modify a particular guidance document by using the procedures found in § 5.13(c). The OA or OST component should respond to all requests in a timely manner, but no later than 90 days after receipt of the request.
- Cross-references to the CFR
- 5.13