N.H. Rev. Stat. Ann. § 159:3
I. A person is guilty of a class B felony if he:
(b) Has been convicted in either a state or federal court in this or any other state, the District of Columbia, the Commonwealth of Puerto Rico, or any territory or possession of the United States of:
(3) A felony violation of the laws of any other state, the District of Columbia, the United States, the Commonwealth of Puerto Rico or any territory or possession of the United States relating to controlled drugs as defined in RSA 318-B.
I-a. A person is guilty of a class B felony if such person completes and signs an application for purchase of a firearm and the person is a convicted felon under the provisions of paragraph I.
Source. 1923, 118:3. PL 149:3. RL 179:3. RSA 159:3. 1973, 405:1; 528:83. 1981, 553:4. 1993, 157:1. 2001, 189:1; 214:1, eff. Jan. 1, 2002.