A. The Commissioner may divulge tax information collected in administering this chapter to the Tax Commissioner, or to any director of finance or other authorized collector of county, city, or town taxes who, for the performance of his official duties, requests the same in writing setting forth the reasons for such request. The Commissioner may also divulge to the executive directors of the Northern Virginia Transportation Commission and the Potomac and Rappahannock Transportation Commission for their confidential use such tax information as may be necessary to facilitate the collection of the taxes levied under this chapter.