N.H. Rev. Stat. Ann. § 143-A:11

The operation of a food service establishment or a retail food store without a license issued under this chapter, or the continued operation of such establishment or store after a license has been revoked or has expired, is declared to be a danger to the public health. In addition to any other civil, criminal, or disciplinary remedy, the attorney general, the commissioner, the prosecuting attorney of any county or municipality where the food service establishment or retail food store is operating, or any citizen may, in accordance with the laws of this state, maintain an action to enjoin that establishment or store from operation until a valid license is issued. An injunction without bond is available to the commissioner for enforcement of this chapter.