; (E) endorse best practices for human resource activities of covered entities, including in hiring, staff development, and implementing a system of accountability to carry out those best practices; and (F) initiate other actions that improve safety, well-being, placement stability, and permanency outcomes for LGBTQ children and youth involved with child welfare services at the State and local level. (2) Activities The Secretary shall carry out the collection and analysis of data and the dissemination of research to carry out this subsection. (3) Authorization of appropriations There are authorized to be appropriated to the Secretary such sums as may be necessary to establish and maintain the National Resource Center and carry out the activities described in this subsection. (h) Deadline for compliance (1) In general Except as provided in paragraph (2), a covered entity shall comply with this section not later than 6 months after publication of the guidance referred to in subsection (c), or 1 year after the date of the enactment of this Act, whichever occurs first. (2) Authority to extend deadline If a State demonstrates to the satisfaction of the Secretary that it is necessary to amend State law in order to change a particular practice that is inconsistent with this Act, the Secretary may extend the compliance date for the State and any covered entities in the State a reasonable number of days after the close of the first State legislative session beginning after the date the guidance referred to in subsection (c) is published. (3) Authority to withhold funds If the Secretary finds that a covered entity has failed to comply with this Act, the Secretary may withhold payment to the State of amounts otherwise payable to the State under part B or E of title IV of the Social Security Act ( 42 U.S.C. 621 et seq.