the operation of the grant program under this section during the preceding 6 months, including identification of the grants made and a description of the activities funded with grant amounts. (B) Collection of information by Secretary The Secretary shall require each collaborative applicant that receives a grant under this section to submit such information to the Secretary as may be necessary for the Secretary to comply with the reporting requirement under subparagraph (A). 452. Special purpose vouchers (a) Direct appropriation There is appropriated out of any money in the Treasury not otherwise appropriated for each of fiscal years 2018 through 2022, $500,000,000, to remain available until expended, which shall be used as follows: (1) Rental Assistance Except as provided in paragraph (2), such amount shall be used for incremental assistance for rental assistance under section 8(o) of the United States Housing Act of 1937 ( 42 U.S.C. 1437f(o) ) for persons and households who are homeless (as such term is defined in section 103 ( 42 U.S.C. 11302 )), which assistance shall be in addition to such assistance provided pursuant to renewal of expiring contracts for such assistance. (2) Administrative fees The Secretary may use not more than 10 percent of such amounts provided for each fiscal year for administrative fees under 8(q) of the United States Housing Act of 1937 ( 42 U.S.C. 1437f(q) ). The Secretary shall establish policies and procedures to provide such fees to the extent necessary to assist homeless persons and families on whose behalf rental assistance is provided to find and maintain suitable housing. (b) Allocation The Secretary shall make assistance provided under this section available to public housing agencies based on geographical need for such assistance by homeless persons and households, as identified by the Secretary, public housing agency administrative performance, and other factors as specified by the Secretary. (c) Availability Assistance made available under this section shall continue to