(a) It shall be unlawful for any person to alter, deface, destroy, or remove the permanent serial number, manufacturer's identification plate, or other permanent distinguishing number or identification mark from any firearm with the intent thereby to conceal or misrepresent the identity of the firearm.
(b) It shall be unlawful for any person knowingly to sell, buy, or be in possession of any firearm on which the permanent serial number, manufacturer's identification plate, or other permanent distinguishing number or identification mark has been altered, defaced, destroyed, or removed for the purpose of concealing or misrepresenting the identity of the firearm.
(c) A violation of any of the provisions of this section shall be a Class H felony.