N.H. Rev. Stat. Ann. § 151-H:2

The superior court, upon petition of the department, as hereinafter provided, may appoint a receiver for any facility; provided, that the court finds upon clear and convincing evidence that the health, safety, or welfare of the residents cannot be adequately assured without the appointment of a receiver and either that an emergency exists that the licensee is either unwilling or unable to remedy, or that the facility is operating without a valid license.