Each proposed rule required by section 553 of title 5, United States Code, or any other statute, and any similar document voluntarily issued by an agency shall include a statement of—

(a) The time, place, and nature of public rulemaking proceedings; and

(b) Reference to the authority under which the regulatory action is proposed.

The area of the Code of Federal Regulations directly affected by a proposed regulatory action shall be identified by placing the appropriate CFR citation immediately below the name of the issuing agency. For example:

1 CFR part 22

Any part of a proposed rule document that contains the full text of a proposed regulation shall also conform to the pertinent provisions of part 21 of this chapter.