The Federal Energy Regulatory Commission may exempt from any provisions in sections 4, 5, and 7 of the Natural Gas Act ( 15 U.S.C. 717c , 717d, and 717f) and titles II and IV of the Natural Gas Policy Act of 1978 ( 15 U.S.C. 3341 through 3348 and 3391 through 3394) the sale or transportation, by any public utility, local distribution company, interstate or intrastate pipeline, or any other person, of any natural gas which is determined (in the case of a regulated utility, company, pipeline, or person) by the State regulatory authority having rate-making authority over such utility, company, pipeline, or person, or (in the case of a nonregulated utility, company, pipeline, or person) by such utility, company, pipeline, or person, to have been conserved because of a prototype residential energy efficiency program which is established under a plan approved under section 8235a(a) of this title , if the Commission determines that such exemption is necessary to make feasible the demonstration of such prototype residential energy efficiency program. ( Pub. L. 95–619, title II, § 266 , as added Pub. L. 96–294, title V, § 562 , June 30, 1980 , 94 Stat. 749 ; amended Pub. L. 105–388, § 5(c)(4) , Nov. 13, 1998 , 112 Stat. 3479 .) Editorial Notes References in Text The Natural Gas Policy Act of 1978 , referred to in text, is Pub. L. 95–621 , Nov. 9, 1978 , 92 Stat. 3350 . Title II of the Natural Gas Policy Act of 1978 was classified generally to subchapter II (§ 3341 et seq.) of chapter 60 of Title 15, Commerce and Trade, prior to its repeal by Pub. L. 100–42, § 2(a) , May 21, 1987 , 101 Stat. 314 . Title IV of the Natural Gas Policy Act of 1978 is classified generally to subchapter IV (§ 3391 et seq.) of chapter 60 of Title 15. For complete classification of this Act to the Code, see Short Title note set out under section 3301 of Title 15 and Tables. Amendments 1998— Pub. L. 105–388 substituted “( 15 U.S.C. 717c ” for “( 17 U.S.C. 717c ”.