14 C.F.R. § 103.3 Inspection requirements.
Title 14 - Aeronautics and Space
(a) Any person operating an ultralight vehicle under this part shall, upon request, allow the Administrator, or his designee, to inspect the vehicle to determine the applicability of this part. (b) The pilot or operator of an ultralight vehicle must, upon request of the Administrator, furnish satisfactory evidence that the vehicle is subject only to the provisions of this part.
Title 14: Aeronautics and Space
PART 103—ULTRALIGHT VEHICLES
Subpart A—General
§ 103.3 Inspection requirements.