amount determined appropriate by the grantee that is not less than 85 percent of the fair market rent for such home. (C) Each grantee shall determine whether payments made by a veteran under subparagraph (B) shall be treated as rent or as a mortgage for the home for which the veteran is making such payments. The Secretary, in coordination with the Secretary of Housing and Urban Development, shall determine the requirements for such payments. (D) Each grantee shall pay to the Secretary of Veterans Affairs not less than 80 percent of each payment received under subparagraph (B). (E) The Secretary may conduct an audit of any grantee to ensure that the grantee carries out this paragraph. (4) Veterans Homelessness Grant Fund (A) There is established in the Treasury a fund to be known as the Veterans Homelessness Grant Fund (in this paragraph referred to as the Fund ). (B) The Secretary shall deposit into the Fund the payments collected by the Secretary under paragraph (3)(D). (C) Amounts deposited into the Fund pursuant to subparagraph (B) shall be available to the Secretary to carry out the pilot program under subsection (a) without further appropriation. The Secretary may not use such amounts from the Fund for any other purpose unless pursuant to a specific provision of law. (f) Duration The Secretary shall carry out the pilot program under subsection (a) during the three-year period beginning on the date of the commencement of the pilot program. (g) Consultation The Secretary may consult with nongovernmental entities in developing the pilot program under subsection (a). (h) Annual reports During each year in which the Secretary carries out the pilot program under subsection (a), the Secretary shall submit to Congress a report that details, with respect to the year covered by the report, the number of grants awarded, the amounts so awarded, the progress of home purchase and renovation made by eligible entities using such grants, and the number of tenants currently paying rent towards such homes. (i) Authorization