14 C.F.R. § 21.119 Privileges.
Title 14 - Aeronautics and Space
The holder of a supplemental type certificate may— (a) In the case of aircraft, obtain airworthiness certificates; (b) In the case of other products, obtain approval for installation on certificated aircraft; and (c) Obtain a production certificate for the change in the type design that was approved by that supplemental type certificate.
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart E—Supplemental Type Certificates
§ 21.119 Privileges.