Whoever shall willfully violate any regulation of the Commission issued pursuant to subsection (a) shall, upon conviction thereof, be punishable by a fine of not more than $1,000.
Whoever shall willfully violate any regulation of the Commission issued pursuant to subsection (a) with respect to any installation or other property which is enclosed by a fence, wall, floor, roof, or other structural barrier shall be guilty of a misdemeanor and upon conviction thereof shall be punished by a fine of not to exceed $5,000 or to imprisonment for not more than one year, or both.