may enter into contracts with a fiscal agent or fiscal intermediary claims processor to determine the amounts payable to persons who, on behalf of the Federal Prison System, furnish health services to individuals committed to the custody of the Federal Prison System: Provided further , That not to exceed $5,400 shall be available for official reception and representation expenses: Provided further , That not to exceed $50,000,000 shall remain available for necessary operations until September 30, 2020: Provided further , That, of the amounts provided for contract confinement, not to exceed $20,000,000 shall remain available until expended to make payments in advance for grants, contracts and reimbursable agreements, and other expenses: Provided further , That the Director of the Federal Prison System may accept donated property and services relating to the operation of the prison card program from a not-for-profit entity which has operated such program in the past, notwithstanding the fact that such not-for-profit entity furnishes services under contracts to the Federal Prison System relating to the operation of pre-release services, halfway houses, or other custodial facilities. Buildings and facilities For planning, acquisition of sites and construction of new facilities