; and (3) identify for such high housing cost areas— (A) the average amount of time elapsed between a veteran receiving a voucher for rental assistance under the program and signing a lease for a residence to be assisted using such voucher; (B) administrative burdens to the use of project-based voucher assistance under such program, including any State and local regulations that make project-based vouchers more difficult to use; (C) ways in which public housing agencies leverage private resources with public funds under such program and difficulties developers may experience under such program in the use of project-based vouchers; (D) how public housing agencies and medical centers of the Department of Veterans Affairs define the term unused vouchers ; (E) the process for reallocation of any such unused vouchers; and (F) any best practices for administration of vouchers under the program in such high housing cost areas. (b) Report Not later than the expiration of the 12-month period beginning on the date of the enactment of this Act, the Secretary of Housing and Urban Development and the Secretary of Veterans Affairs shall jointly submit to the Congress a report setting forth the findings of the study under subsection (a) and any recommendations resulting from such study. 5. Appearances before Congress Not later than the expiration of the 90-day period beginning on the date of the enactment of this Act, the Secretary of Housing and Urban Development and the Secretary of Veterans Affairs shall each appear before the Committees on Veterans’ Affairs of the House of Representatives and the Senate to provide information regarding— (1) the formula used to allocate vouchers for rental assistance under the HUD–VASH supported housing program under section 8(o)(19) of the United States Housing Act of 1937 among medical centers of the Department of Veterans Affairs