D.C. Code § 10-1221.15

If the District or the Authority receive reimbursement, subsidy, or TIF debt service relief in excess of the funds required by the bond covenant authorized by this subchapter, pursuant to the American Recovery and Reinvestment Act of 2009, approved February 17, 2009 (123 Stat. 115; 26 U.S.C. § 1 , note), the revenue and relief shall be credited to the District and shall be deposited in the General Fund of the District of Columbia.