14 C.F.R. § 91.325 Primary category aircraft: Operating limitations.
Title 14 - Aeronautics and Space
(a) No person may operate a primary category aircraft carrying persons or property for compensation or hire. (b) No person may operate a primary category aircraft that is maintained by the pilot-owner under an approved special inspection and maintenance program except— (1) The pilot-owner; or (2) A designee of the pilot-owner, provided that the pilot-owner does not receive compensation for the use of the aircraft. [Doc. No. 23345, 57 FR 41370, Sept. 9, 1992]
Title 14: Aeronautics and Space
PART 91—GENERAL OPERATING AND FLIGHT RULES
Subpart D—Special Flight Operations
§ 91.325 Primary category aircraft: Operating limitations.