Chap. 887. An Act prohibiting .members of county or municipal commissions or boards from being appointed or elected by the other members thereof to certain positions................ Be it enacted, etc., as follows: Section 1. Chapter 268A. of the General Laws is hereby amended by inserting after section 15 the following section: — Section 15A. No member of a county commission or board shall be eligible for appointment or election by the members of such commission or board to any office or position under the supervision of such commission or board. No former member of such commission or board shall be so eligible until the expiration of thirty days from, the termination of his service as a member of such commission or board. • Section 2: Said,chapter 268A is hereby further amended by inserting after section 21 the following section: — 856 Acts, 1967. — Chaps. 888, 889. Section 21 A. Except as hereinafter provided, no member of a municipal commission or board shall be eligible for appointment or election by the members of such commission or board to any office or position under the supervision of such commission or board. No former member of such commission or board shall be so eligible until the expiration of thirty days from the termination of his service as a member of such commission or board. The provisions of this section shall not apply to a member of a town commission or board, if such appointment or election has first been approved at an annual town meeting of the town. Approved January 5, 1968.