N.H. Rev. Stat. § 33-B:6
Any pledge of revenues, contract or other rights to receive revenues, or the proceeds thereof made by a municipality under this chapter shall be valid and binding and shall be deemed continuously perfected for the purposes of the Uniform Commercial Code and other laws from the time when the pledge is made; the revenues, moneys, rights and proceeds so pledged and then held or thereafter acquired or received by the municipality shall immediately be subject to the lien of such pledge without any physical delivery or segregation thereof or further act; and the lien of such pledge shall be valid and binding against all parties having claims of any kind in tort, contract or otherwise against the municipality, irrespective of whether such parties have notice thereof. Neither the resolution, any trust or security agreement nor any other agreement by which a pledge is created need be filed or recorded except in the records of the municipality and no filing need be made under the Uniform Commercial Code.
RSA 33-B:6
1988, 90:1, eff. June 17, 1988.