46 C.F.R. § 201.61
Any interested person may file with the Administration a petition for the issuance, amendment, or repeal of a rule designed to implement, interpret, or prescribe law, policy, organization, procedure, or practice requirements of the Administration. The petition shall set forth the interest of petitioner and the nature of the relief desired, shall include any facts, views, arguments, and data deemed relevant by petitioner, and shall be subscribed to. If such petition is for the amendment or repeal of a rule, it shall be accompanied by proof of service on all persons, if any, specifically named in such rule, and shall conform in all other aspects to subpart D of this part. Answers to such petition shall conform to the requirements of subpart D of this part.
46 C.F.R. § 201.61