District of Columbia Code
Part A - Authority to Make Regulations; Duty of Capitol Police
§ 10–503.01. Authority to make regulations

The Sergeants at Arms of the Senate and of the House of Representatives are authorized to make such regulations as they may deem necessary for preserving the peace and securing the Capitol from defacement, and for the protection of the public property therein, and they shall have power to arrest and detain any person violating such regulations, until such person can be brought before the proper authorities for trial.
(R.S., § 1820.)
1981 Ed., § 9-105.
1973 Ed., § 9-105.
Metropolitan Police jurisdiction, see § 5-133.02.
United States Park Police, see § 5-201 et seq.
Enlargement of Capitol Grounds: Act of March 4, 1929, 45 Stat. 1694, ch. 708, as amended, provided for the enlargement of the Capitol Grounds.