N.H. Rev. Stat. Ann. § 374-D:6

Subject to any applicable trust agreement or resolution, the proceeds of bonds or notes issued under this chapter and any moneys governed by a trust agreement or resolution may be deposited or invested in demand deposits, time deposits, or savings deposits in banks which are members of the Federal Deposit Insurance Corporation or in obligations issued or guaranteed by the United States, or by any agency or instrumentality of the United States, or as may be provided by any other applicable law.