N.H. Rev. Stat. § 482-A:12
Project approval by the department shall be in the form of a permit, a copy of which the applicant shall post in a secured manner in a prominent place at the site of the approved project. The department shall mail a copy of such permit to the local governing body of the municipality where the project is located. Any registration number issued by the department pursuant to RSA 482-A:3, IV-a(c) shall be prominently displayed on the lakeward face of the docking structures. Any person proceeding without a posted permit shall be in violation of this chapter. All state, county, and local law enforcement officers are directed to be watchful for violations of the provisions of this chapter and to report all suspected violations to the department.
RSA 482-A:12
1989, 339:1. 1991, 20:7. 1996, 296:47, eff. Aug. 9, 1996. 2020, 37:83, eff. Jan. 1, 2021.