Montana Title 33. Insurance and Insurance Companies § 33-2-603. Securities eligible for deposit

(a) United States or Canadian government bonds, notes, warrants, or other evidences of indebtedness that are direct obligations of the United States or of Canada or for which the full faith and credit of the United States or of Canada is pledged for the payment of principal and interest;

(b) state, county, municipal, and school bonds or other evidences of indebtedness that are general obligations of or are secured by a pledge of specific revenue of a state or of a province of Canada or of any of the counties, incorporated cities or towns, school districts, or other taxing districts in a state or province; and

(c) revenue bonds, notes, or other evidences of indebtedness of any state or province, political subdivision of a state or province or agency or instrumentality of a state or province that are payable from revenue or earnings specifically pledged for the payment of the principal and interest on the obligations and for the payment of which a lawful sinking fund or reserve fund has been established and is being maintained.