; and (C) not less than 80 percent shall be used for, or 80 percent of the number of housing units assisted under this title shall be, public housing units, subject to de minimis variations as may result from the grantee selection process. (2) Rental assistance Such sums as may be necessary for each of fiscal years 2018 through 2022 for providing tenant-based assistance for relocation and for rental assistance under section 8 of the United States Housing Act of 1937 for the purposes of complying with section 307(c) of this title, but not to exceed the amount of assistance for the number of units demolished or disposed of under section 307(c)(1). 317. Regulations Not later than the expiration of the 180-day period beginning on the date of the enactment of this Act, the Secretary shall issue regulations to carry out the following provisions of this title: (1) Subsections (c) and (e) of section 305. (2) Section 308(b). (3) Paragraphs (4), (5), (8), (9), and (12) of section 315. IV Pilot Program to Train Public Housing Residents to Provide Home-Based Health Services 401. Short title This title may be cited as the Together We Care Act of 2017 . 402. Pilot grant program to train public housing residents to provide covered home-based health services Section 34 of the United States Housing Act of 1937 ( 42 U.S.C. 1437z–6 ) is amended by adding at the end the following new subsections: (f) Pilot grant program To train public housing residents To provide covered home-Based health services (1) Establishment of pilot grant program The Secretary, in consultation with the Secretary of Health and Human Services, shall establish a competitive grant program to make grants to eligible entities under paragraph (2) for use for the training of public housing residents as home health aides and as providers of home-based health services (including as personal and home care aides) to enable such residents to provide covered home-based health services to— (A) residents of public housing who are elderly or disabled, or both (including