; or (2) chapter 35 of title 44. (f) Statutory construction Nothing in this section may be construed to— (1) affect the issuance of a rule by or any other activity of the Secretary of Transportation or the Administrator under any other provision of law; or (2) invalidate an exemption or certificate of waiver or authorization issued by the Administrator before the date of enactment of this section. (g) Effective periods An exemption or certificate of waiver or authorization issued under this section, or an amendment of such exemption or certificate, shall cease to be valid on the effective date of a final rule on small unmanned aircraft systems issued under section 45502(b)(1). 45509. Special rules for model aircraft (a) In General Notwithstanding any other provision of law relating to the incorporation of unmanned aircraft systems into Federal Aviation Administration plans and policies, including this subtitle, the Administrator of the Federal Aviation Administration may not promulgate any rule or regulation regarding a model aircraft or an aircraft being developed as a model aircraft (other than the registration of certain model aircraft pursuant to section 44103), if— (1) the aircraft is flown strictly for hobby or recreational use; (2) the aircraft is operated in accordance with a community-based set of safety guidelines and within the programming of a community-based organization; (3) the aircraft is limited to not more than 55 pounds unless otherwise certified through a design, construction, inspection, flight test, and operational safety program administered by a community-based organization; (4) the aircraft is operated in a manner that does not interfere with and gives way to any manned aircraft; (5) the aircraft is not operated over or within the property of a fixed site facility that operates amusement rides available for use by the general public or the property extending 500 lateral feet beyond the perimeter of such facility unless the operation is authorized by the owner of the amusement facility