On the written petition of a number of voters equal to at least 10% of the number of votes cast in the town at the last gubernatorial election, but in no case less than 10, the municipal officers shall either insert a particular article in the next warrant issued or shall within 60 days call a special town meeting for its consideration. [1987, c. 737, Pt. C, §2 and Pt (NEW); 1989, c. 6, (AMD); 1989, c. 9, §2 (AMD); 1989, c. 104, Pt. C, §§8, 10 (AMD).]