14 C.F.R. § 34.30 Applicability.
Title 14 - Aeronautics and Space
The provisions of this subpart are applicable to all in-use aircraft gas turbine engines certificated for operation within the United States of the classes specified, beginning on the dates specified in §34.31.
Title 14: Aeronautics and Space
PART 34—FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES
Subpart D—Exhaust Emissions (In-use Aircraft Gas Turbine Engines)
§ 34.30 Applicability.