The lines between the towns in this state shall be perambulated, and the marks and bounds renewed, once in every 7 years forever, by the selectmen of the towns, or by such persons as they shall in writing appoint for that purpose.
Source. RS 37:2. CS 39:2. GS 47:2. GL 51:2. PS 52:2. PL 56:2. RL 69:6.