Answer:
c. publish a notice in the Federal Register
Step-by-step explanation:
An agency first publishes a notice to indicate proposed rule making. This contains the subject of rule being made,datw and venue of proceedings regarding rule, the authority for passing rule.
When this rule is approved and becomes a new rule, a notice must then be published in the Federal register in this respect.
The Office of the Federal Register, National Archives and Records Administration (NARA), publishes the Federal Register which holds publications for rules and proposed rules of federal agencies and organizations as well as other presidential documents.