2 U.S. Code § 1906 - Disposal of surplus property
(a) In general
Within the limits of available appropriations, the Capitol Police may dispose of surplus or obsolete property of the Capitol Police by interagency transfer, donation, sale, trade-in, or other appropriate method.
(b) Amounts received
Any amounts received by the Capitol Police from the disposition of property under subsection (a) of this section shall be credited to the account established for the general expenses of the Capitol Police, and shall be available to carry out the purposes of such account during the fiscal year in which the amounts are received and the following fiscal year.