Maine constitution
Article IX: general provisions
Section 14-b

Authority to insure revenue bonds of the Maine School Building Authority. In order to encourage and assist in the provision and construction of public school buildings in the State, the Legislature by proper enactment may insure the payment of revenue bonds of the Maine School Building Authority on school projects within the State not exceeding in the aggregate $6,000,000 in amount at any one time and may also appropriate moneys and authorize the issuance of bonds on behalf of the State at such times and in such amounts as it may determine to make payments insured as aforesaid.