N.H. Rev. Stat. § 438:43
Inspectors and officials appointed to enforce this chapter or any other laws dealing with weights and measures are hereby empowered, upon their successful completion of the preparatory training program for part-time police officers established by the police standards and training council under RSA 106-L, to prosecute these laws within the jurisdiction of municipal and district courts, unless the prosecutorial jurisdiction over a particular case or class of cases is preempted by the county attorney or the attorney general. Prosecutions for violations of any provision of this chapter are declared to be valid and proper, notwithstanding the existence of any law of this state dealing with matters that may be the same as or similar to those covered by this chapter.
RSA 438:43
1985, 72:1. 1990, 217:3, eff. April 27, 1990. 2017, 206 : 18 , eff. Sept. 8, 2017.