Every order suspending any such license shall specify the period during which suspension will be effective, which shall in no event exceed twelve months.
The holder of any license which has been revoked or suspended shall surrender the license to the commissioner at his request.
The commissioner shall not reinstate the license or relicense any licensee or former licensee whose license has been suspended, revoked or renewal refused while the cause for the suspension, revocation or refusal of such license persists.
63 P.S. § 855