8 Pa.C.S. § 3102
(a) Membership.—
(1) A board appointed by a council shall be composed of three or five members, subject to the following:
(b) Terms.—
(1) Initial terms shall be staggered as follows:
(i) For a three-member board:
(ii) For a five-member board:
(2) Subsequent terms shall be staggered as follows:
(c) Compensation.—