Mass. Gen. Laws ch. 67, § 42

The first meeting of such trustees may, upon the application of three or more of them, be called by a justice of the peace, and at such meeting the trustees may choose a secretary and other officers. The provisions of this chapter relative to the warning and organization of meetings of religious societies shall, so far as appropriate, apply to meetings for the organization of the trustees. The secretary, before entering upon the duties of his office, shall be sworn to the faithful performance thereof, and a record of such oath shall be made in the records of the trustees.