14 C.F.R. § 125.251 Required inspection personnel.
Title 14 - Aeronautics and Space
(a) No person may use any person to perform required inspections unless the person performing the inspection is appropriately certificated, properly trained, qualified, and authorized to do so. (b) No person may perform a required inspection if that person performed the item of work required to be inspected.
Title 14: Aeronautics and Space
PART 125—CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 6,000 POUNDS OR MORE; AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT
Subpart G—Maintenance
§ 125.251 Required inspection personnel.

