Va. Code § 45.2-1118
In lieu of conducting an examination prescribed by law or regulation, the Department may issue to any person holding a certificate issued by another state a certificate permitting him to perform similar tasks in the Commonwealth so long as (i) the Department finds that the requirements for certification in such other state are substantially equivalent to those of the Commonwealth and (ii) holders of certificates issued by the Department are permitted to perform similar tasks in such state, and obtain similar certification from such state if required, upon presentation of the certificate issued by the Department and without additional testing, training, or other requirements not directly related to program administration.
Va. Code § 45.2-1118