Sec. 53-202c. Possession of assault weapon prohibited. Class D felony. (a) Except as provided in section 53-202e, any person who, within this state, possesses any assault weapon, except as provided in sections 29-37j, 53-202a to 53-202k, inclusive, and 53-202o and subsection (h) of section 53a-46a, shall be guilty of a class D felony and shall be sentenced to a term of imprisonment of which one year may not be suspended or reduced; except that a first-time violation of this subsection shall be a class A misdemeanor if (1) the person presents proof that he lawfully possessed the assault weapon prior to October 1, 1993, and (2) the person has otherwise possessed the firearm in compliance with subsection (d) of section 53-202d.