Pub. L. 113-235, div. C, tit. VIII, sec. 8063

Sec. 8063. During the current fiscal year and hereafter, none of the funds available to the Department of Defense may be used to provide support to another department or agency of the United States if such department or agency is more than 90 days in arrears in making payment to the Department of Defense for goods or services previously provided to such department or agency on a reimbursable basis: Provided, That this restriction shall not apply if the department is authorized by law to provide support to such department or agency on a nonreimbursable basis, and is providing the requested support pursuant to such authority: Provided further, That the Secretary of Defense may waive this restriction on a case-by-case basis by certifying in writing to the Committees on 128 STAT. 2269 Appropriations of the House of Representatives and the Senate that it is in the national security interest to do so.