Mass. Const. pt. 2, ch. VI, art. X

[In order the more effectually to adhere to the principles of the constitution, and to correct those violations which by any means may be made therein, as well as to form such alterations as from experience shall be found necessary -- the general court which shall be in the year of our Lord one thousand seven hundred and ninety-five, shall issue precepts to the selectmen of the several towns, and to the assessors of the unincorporated plantations, directing them to convene the qualified voters of their respective towns and plantations, for the purpose of collecting their sentiments on the necessity or expediency of revising the constitution, in order to amendments.

And if it shall appear by the returns made, that two thirds of the qualified voters throughout the state, who shall assemble and vote in consequence of the said precepts, are in favor of such revision or amendment, the general court shall issue precepts, or direct them to be issued from the secretary's office to the several towns to elect delegates to meet in convention for the purpose aforesaid.

The said delegates to be chosen in the same manner and proportion as their representatives in the second branch of the legislature are by this constitution to be chosen.]