N.H. Rev. Stat. Ann. § 184:77

The commissioner may make rules and regulations governing the application for and the granting of such licenses and shall charge a fee of $5 each for the same. Licenses issued hereunder shall be effective for a period of 2 years and be renewed biennially during the month of January. Licenses may be revoked by the commissioner if after due notice the licensee fails or has failed to comply with the law, rules and regulations under which the license was granted.