Mass. Gen. Laws ch. 164, § 40: Debt incurred for establishing, purchasing, extending, etc., light plant

Section 40. A city or town which has duly voted to acquire a municipal lighting plant may incur debt as provided in section eight of chapter forty-four for establishing, purchasing, extending, enlarging, reconstructing or making extraordinary repairs to such plant within the limits of the territory within which such plant is authorized to distribute its products.