N.H. Rev. Stat. Ann. § 160-B:9

Upon application, the superior court or district court is authorized to permit the law enforcement officials or certified fire citation officers of the state, counties, or any city or town to seize, take, remove, or cause to be removed at the expense of the owner all stocks of fireworks offered or exposed for sale, stored or held in violation of this chapter. Nothing in this section shall be construed to restrict or limit any other authority granted by law to law enforcement officials or certified fire citation officers.