CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER G—AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS (parts 110 to 139) > PART 135—OPERATING REQUIREMENTS: COMMUTER AND ON DEMAND OPERATIONS AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT > SUBPART B—Flight Operations (§135.61 to §135.129) > 135.95—Airmen: Limitations on use of services.

135.95—Airmen: Limitations on use of services.

No certificate holder may use the services of any person as an airman unless the person performing those services—
(a) Holds an appropriate and current airman certificate; and
(b) Is qualified, under this chapter, for the operation for which the person is to be used.