(a) Any person who engages in unlawful conduct as defined in this act is guilty of a summary offense and, upon conviction, shall be sentenced to pay a fine of not less than $100 nor more than $1,000 for each separate offense, and, in default of the payment of such fine, to imprisonment for a period of not more than 60 days.

(b) Any person who, within two years after a conviction in a summary proceeding as provided in subsection (a) engages in unlawful conduct as defined in this act is guilty of a misdemeanor of the third degree and, upon conviction shall be sentenced to pay a fine of not less than $500 nor more than $5,000 for each separate offense or to imprisonment for a period of not more than one year, or both.

(c) Each day of continued violation of any provision of this act or any rule or regulation or order of the department issued pursuant to this act shall constitute a separate offense under subsections (a) and (b).