Va. Code Ann. § 58.1-106

Notwithstanding any other provision of law, the Tax Commissioner may cause all or any part of the state tax returns, correspondence, documents, forms, statements, reports or working papers kept by or in the possession of the Department to be reproduced. As used in this title, the term "reproduction" shall be deemed to include photographs, microphotographs, microfilm, microcard, printouts, optical imaging or other reproductions of electronically stored data, or any other reproduction of an original from a process which forms a durable medium for its recording, storing, and reproducing.