N.H. Rev. Stat. Ann. § 356-B:11

All amendments and certifications of condominium instruments shall set forth the name of the condominium, the name of the town or city and county in which the condominium is located, and the deed book and page number where the first page of the declaration is recorded. All condominium instruments, and all amendments and certifications thereof, shall be recorded in the registry of deeds of every county wherein any portion of the condominium is located, and shall set forth the name and address of the condominium.