14 C.F.R. § 298.33 Security requirements.
Title 14 - Aeronautics and Space
In conducting operations under this part, an air taxi operator or a commuter air carrier is required to adhere to all security requirements established by the Department of Transportation and the Department of Homeland Security applicable to such operations.
Title 14: Aeronautics and Space
PART 298—EXEMPTIONS FOR AIR TAXI AND COMMUTER AIR CARRIER OPERATIONS
Subpart D—Limitations and Conditions on Exemptions and Operations
§ 298.33 Security requirements.