14 C.F.R. § 21.45 Privileges.
Title 14 - Aeronautics and Space
The holder or licensee of a type certificate for a product may— (a) In the case of aircraft, upon compliance with §§21.173 through 21.189, obtain airworthiness certificates; (b) In the case of aircraft engines or propellers, obtain approval for installation or certified aircraft; (c) In the case of any product, upon compliance with §§21.133 through 21.163, obtain a production certificate for the type certificated product; (d) Obtain approval of replacement parts for that product.
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart B—Type Certificates
§ 21.45 Privileges.