N.H. Rev. Stat. Ann. § 674:74
I. Notwithstanding any provision of law or municipal ordinance or regulation to the contrary, any summer camp that has been operating in the state of New Hampshire as a pre-existing, nonconforming use under its applicable zoning ordinance that either closed for the summer of 2020 and/or 2021 due to the COVID-19 pandemic, or was forced to operate for a shorter season or at a reduced capacity during the summer of 2020 and/or 2021 due to the COVID-19 pandemic, shall not lose its status as a pre-existing, non-conforming use due to either:
Source. 2021, 121:6, eff. July 9, 2021.