N.H. Rev. Stat. Ann. § 170-E:42

Every child care facility and child-placing agency shall keep and maintain such records as the department prescribes pertaining to the admission, progress, health, and discharge or placement, or both, of children under the care of the facility or child-placing agency, and shall report relative to such matters to the department whenever called for, upon forms prescribed by rule. All records regarding children and all facts learned about children and their relatives shall be kept confidential by the child care facility, the child-placing agency, and the department.