14 C.F.R. § 11.37 Where can I find information about an Airworthiness Directive, an airspace designation, or a petition handled in a region?
Title 14 - Aeronautics and Space
The FAA includes most documents concerning Airworthiness Directives, airspace designations, or petitions handled in a region in the electronic docket. If the information isn't in the docket, contact the person listed under FOR FURTHER INFORMATION CONTACT in the
Title 14: Aeronautics and Space
PART 11—GENERAL RULEMAKING PROCEDURES
Subpart A—Rulemaking Procedures
General
§ 11.37 Where can I find information about an Airworthiness Directive, an airspace designation, or a petition handled in a region?

