211. In examining the cases submitted to it, the board of revisors, or any revisor duly authorized by the board, is entitled to make inquiries and summon witnesses.
The summons of a witness shall be served by the revising officers on the person concerned or, if it cannot be served on him, shall be left at his address.
A certificate of the service shall be drawn up by the revising officers in the prescribed form and returned to the board of revisors.
1989, c. 1, s. 211; 1995, c. 23, s. 18.