Mass. Gen. Laws ch. 129, § 48: Violations, penalties

Section 48. Whoever violates any provisions of section forty-five to forty-seven, inclusive, or any rule or regulation made under section forty-five shall be punished for the first offense by a fine of not more than one hundred dollars and for any subsequent offense by a fine of not more than five hundred dollars, or by imprisonment for not more than two and one half years, or both.