N.H. Rev. Stat. § 204-C:45
The obligations of the authority shall be legal investments in which all public officers and public bodies and authorities of the state, its political subdivisions, all municipalities and municipal subdivisions, all insurance companies and associations and other persons carrying on an insurance business, all banks, bankers, banking institutions including savings and loan associations, building and loan associations, trust companies, savings banks and savings associations, credit unions, investment companies and other persons carrying on a banking business, all administrators, guardians, executors, trustees and other fiduciaries, and all other persons whatsoever who are now or may hereafter be authorized to invest in bonds, notes or in other state obligations, may properly and legally invest funds, including capital, in their control or belonging to them. Such obligations of the authority are also hereby made securities which may properly and legally be deposited with and received by all public officers and public bodies of the state or any agency or political subdivision of the state and all municipalities and public corporations for any purpose for which the deposit of bonds, notes or other state obligations is now or may hereafter be authorized by law and shall be eligible as collateral with respect to deposits of state moneys, if any, required to be collateralized. This section shall apply notwithstanding any restrictions on investments contained in other laws.
RSA 204-C:45
1981, 466:2, eff. July 1, 1981.