14 C.F.R. § 137.59 Inspection authority.
Title 14 - Aeronautics and Space
Each holder of an agricultural aircraft operator certificate shall allow the Administrator at any time and place to make inspections, including on-the-job inspections, to determine compliance with applicable regulations and his agricultural aircraft operator certificate.
Title 14: Aeronautics and Space
PART 137—AGRICULTURAL AIRCRAFT OPERATIONS
Subpart C—Operating Rules
§ 137.59 Inspection authority.