N.H. Rev. Stat. § 33-B:4
Any bonds issued under this chapter may be secured by a resolution or by a trust or security agreement between the municipality and a corporate trustee, which may be any trust company or bank having the powers of a trust company within or without the state, or by a trust or security agreement directly between the municipality and the purchasers of the bonds, and such resolution or trust or security agreement shall be in such form and executed in such manner as may be determined by the authorized officers. Such trust or security agreement or resolution may pledge or assign, in whole or in part, the revenues held or to be received by the municipality from or on account of the revenue-producing facilities, and any contract or other rights to receive the same, whether then existing or thereafter coming into existence and whether then held or thereafter acquired by the municipality, and the proceeds thereof. Such trust or security agreement or resolution may contain such provisions for protecting and enforcing the rights, security and remedies of the bondholders as may, in the discretion of the authorized officers, be reasonable and proper and not in violation of law. Without limiting the generality of the foregoing, such agreement or resolution may include provisions defining defaults and providing for remedies in the event of default, which may include the acceleration of maturities, and covenants setting forth the duties of, and limitations on, the municipality in relation to the custody, safeguarding, investment and application of moneys, the issue of additional or refunding bonds, the fixing, revision and collection of fees, charges and other revenues, the use of any surplus bond proceeds, the establishment of reserves, the construction and operation of the revenue-producing facilities, and the making and amending of contracts relating to the bonds. It shall be lawful for any bank or trust company described in RSA 41:29 or RSA 48:16 to act as a depository or trustee of the proceeds of bonds, revenues or other moneys under a trust or security agreement or resolution and to furnish such indemnification or to pledge such securities and issue such letters or lines of credit or other credit facilities as may be required by a municipality acting under this chapter. Any such trust or security agreement or resolution may set forth the rights and remedies of bondholders and of the trustee and may restrict the individual right of action by bondholders.
RSA 33-B:4
1988, 90:1, eff. June 17, 1988.