; (2) in subparagraph (C), by striking the period at the end and inserting ; and ; and (3) by adding at the end the following: (D) base and overtime wages for extra hires to facilitate the implementation and enforcement of adopted building codes for a period of not more than 180 days after the major disaster is declared. . 7. Program improvements (a) Hazard Mitigation Section 406(c) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5172(c) ) is amended— (1) in paragraph (1)(A), by striking 90 percent of ; and (2) in paragraph (2)(A), by striking 75 percent of . (b) Participation Section 428(d) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5189f(d) ) is amended— (1) by striking Participation in and inserting the following: (1) In general Participation in ; and (2) by adding at the end the following: (2) No conditions The President may not condition the provision of Federal assistance under this Act on the election by a State, Tribal, or local government, or owner or operator of a private nonprofit facility to participate in the alternative procedures adopted under this section. . (c) Certification Section 428(e)(1) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5189f(e)(1) ) is amended— (1) in subparagraph (E), by striking and at the end; (2) in subparagraph (F), by striking the period at the end and inserting ; and