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CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS > SUBPART J—Delegation Option Authorization Procedures (§21.231 to §21.293) > 21.243—Duration.
21.243—Duration.
A delegation option authorization is effective until it is surrendered or the Administrator suspends, revokes, or otherwise terminates it.