Executive departments and Executive agencies may assist the United States Capitol Police in the performance of its duties by providing services (including personnel), equipment, and facilities on a temporary and reimbursable basis when requested by the Capitol Police Board and on a permanent and reimbursable basis upon advance written request of the Capitol Police Board; except that the Department of Defense and the Coast Guard may provide such assistance on a temporary basis without reimbursement when assisting the United States Capitol Police in its duties directly related to protection under sections
1922,
1961,
1966,
1967, and
1969 of this title and sections
5101 to
5107 and
5109 of title
40. Before making a request under this paragraph, the Capitol Police Board shall consult with appropriate Members of the Senate and House of Representatives in leadership positions, except in an emergency.