Me. Rev. Stat. tit. 12, § 6404-E

The commissioner shall suspend the sea urchin fishing license of any license holder convicted in court of a 3rd or subsequent offense of possessing sea urchins smaller than the minimum size established pursuant to section 6749-A. The suspension must be for at least one year from the date of conviction and may be up to 3 years. Any conviction occurring more than 5 years before the last conviction may not be counted in determining the suspension.