14 C.F.R. § 21.113 Requirement of supplemental type certificate.
Title 14 - Aeronautics and Space
Any person who alters a product by introducing a major change in type design, not great enough to require a new application for a type certificate under §21.19, shall apply to the Administrator for a supplemental type certificate, except that the holder of a type certificate for the product may apply for amendment of the original type certificate. The application must be made in a form and manner prescribed by the Administrator.
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart E—Supplemental Type Certificates
§ 21.113 Requirement of supplemental type certificate.
