; . (2) Energy conservation standard for certain equipment Section 342 of the Energy Policy and Conservation Act ( 42 U.S.C. 6313 ) is amended by adding at the end the following: (g) Lighting power supply circuits If the Secretary, acting pursuant to section 341(b), includes as a covered equipment solid state lighting power supply circuits, drivers, or devices described in section 321(36)(A)(ii), the Secretary may prescribe under this part, not earlier than 1 year after the date on which a test procedure has been prescribed, an energy conservation standard for such equipment. . (c) Technical corrections (1) Section 321(6)(B) of the Energy Policy and Conservation Act ( 42 U.S.C. 6291(6)(B) ) is amended by striking (19) and inserting (20) . (2) Section 324 of the Energy Policy and Conservation Act ( 42 U.S.C. 6294 ) is amended by striking (19) each place it appears in each of subsections (a)(3), (b)(1)(B), (b)(3), and (b)(5) and inserting (20) . (3) Section 325(l) of the Energy Policy and Conservation Act ( 42 U.S.C. 6295(l) ) is amended by striking paragraph (19) each place it appears and inserting paragraph (20) . 1205. Clarification to effective date for regional standards Section 325(o)(6)(E) of the Energy Policy and Conservation Act ( 42 U.S.C. 6295(o)(6)(E) ) is amended by striking clause (ii) and inserting the following: (ii) Regional standards (I) In general Except as provided in subclause (II), any additional and more restrictive regional standard established for a product under this paragraph shall apply to the product if the product is installed on or after the effective date of the regional standard in any State in which the Secretary has designated the standard to apply. (II) Exception A regional standard shall not apply under subclause (I) to any product that is— (aa) manufactured before the effective date of the regional standard