for low-income housing (as such term is defined under section 3(b) of the United States Housing Act of 1937 ( 42 U.S.C. 1437a(b) )), HUD-assisted housing, and affordable housing, which shall be housing for which the owner of the project shall record an affordability use restriction approved by the Secretary for households earning up to 120 percent of the area median income and is subject to the period of affordability under paragraph (3) of this subsection. (c) Other terms and conditions Grants awarded under this section shall be subject to the following terms and conditions: (1) Limitation Amounts provided pursuant to this section may not be used for operating costs or rental assistance. (2) Development of new units Paragraph (3) of section 9(g) of the United States Housing Act of 1937 ( 42 U.S.C. 1437g(g)(3) ) shall not apply to new funds made available under this section. (3) Health and safety Amounts made available under this section shall be used to address health, safety, and environmental hazards, including lead, fire, carbon monoxide, mold, asbestos, radon, pest infestation, and other hazards as defined by the Secretary. (4) Energy efficiency and resilience Amounts made available under this section shall advance improvements to energy and water efficiency or climate and disaster resilience in housing assisted under this section. (5) Recapture If the Secretary recaptures funding allocated by formula from a public housing agency under subsection (a)(1), such recaptured amounts shall be added to the amounts available under subsection (a)(2), and shall be obligated by the Secretary prior to the expiration of such funds. (6) Supplementation of funds The Secretary shall ensure that amounts provided pursuant to this section shall serve to supplement and not supplant other amounts generated by a recipient of such amounts or amounts provided by other Federal, State, or local sources. (d) Implementation The Secretary shall have authority to issue such regulations or notices, or other guidance, forms, instructions,