Va. Code Ann. § 46.2-2011.3

All licenses, permits, and certificates issued under this chapter shall be issued for a period of twelve consecutive months except, at the discretion of the Department, the periods may be adjusted as necessary. Such licenses, permits, and certificates shall expire if not renewed annually. Such expiration shall be effective thirty days after the Department has provided the licensee, permittee, or certificate holder notice of non-renewal. If the license, permit, or certificate is renewed within thirty days after notice of non-renewal, then the license, permit, or certificate shall not expire.