Be it enacted by the Senate and House of Representatives
in General Court assembled, and by the authority of the same,
Chapter 307 of the acts of 1925 is hereby amended by inserting after section 8 the following section:-
Section 8A. Said town shall at a meeting called for the purpose, elect by ballot three persons to hold office, one until the expiration of three years, one until the expiration of two years, and one until the expiration of one year, from the next succeeding annual town meeting, to constitute a board of water commissioners; and at the annual town meeting held on the day the shortest of such terms expires and at each annual town meeting thereafter one such commissioner shall be elected by ballot for a term of three years. Said board of commissioners shall be vested with all the authority granted to the town by this act except sections five and six and not otherwise specially provided for with respect to the supply of water for the extinguishment of fires and for domestic and other purposes in that part of the town of Nantucket known as Siasconset.
A majority of said commissioners shall constitute a quorum for the transaction of business. Any vacancy occurring in said board from any cause may be filled for the remainder of the unexpired term by said town at any legal town meeting called for the purpose. Any such vacancy may be filled temporarily by a majority vote of the selectmen, and the person so appointed shall hold office until the town fills the vacancy in the manner specified herein.