46 CFR 502.52: Notice of proposed rulemaking.

(a) General notice of proposed rulemaking, including the information specified in § 502.61(c), shall be published in the Federal Register, unless all persons subject thereto are named and, either are personally served, or otherwise have actual notice thereof in accordance with law.

(b) Except where notice or hearing is required by statute, paragraph (a) of this section shall not apply to interpretative rules, general statements of policy, rules of agency organization, procedure, or practice of the Commission, or when the Commission for good cause finds (and incorporates the findings and a brief statement of reasons therefor in the rules issued) that notice and public procedure are impracticable, unnecessary, or contrary to the public interest. [Rule 52]