2 U.S.C. § 1971
Contributions of meals and refreshments during emergency duty
At any time on or after November 12, 2001 , the United States Capitol Police may accept contributions of meals and refreshments in support of activities of the United States Capitol Police during a period of emergency (as determined by the Capitol Police Board).
( Pub. L. 107–68, title I, § 121 , Nov. 12, 2001 , 115 Stat. 576 .)