Va. Code § 53.1-220.1
With the consent of the appropriate state authorities, the Immigration and Naturalization Service may, following notification under § 19.2-294.2, take physical custody of and responsibility for any alien convicted of any (i) felony offense involving murder, rape, robbery, burglary, larceny, extortion, or abduction, or (ii) illegal drug violation designated as a felony under Article 1 (§ 18.2-247 et seq.) of Chapter 7 of Title 18.2. The director, sheriff or other official in charge of the facility in which such alien is incarcerated may enter into an agreement, which includes provisions relating to reimbursement, with the Immigration and Naturalization Service to retain custody or supervision of such alien until he is deported or until other mutually satisfactory arrangements are made to transfer custody of such alien to the Service.
Va. Code § 53.1-220.1