The governor, in his discretion, may, prior to determining whether to revoke any such license or order, refer the matter to the state parole board for its investigation, and in such case the board shall make a full and complete investigation and report thereon in writing to the governor with its recommendations in the case. The governor may also, by general rule or regulation, require the state parole board to investigate all such cases. In such event the board shall make a full and complete investigation and report in writing to the governor with its recommendations in each such case.

L.1951 (1st SS), c.344.