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 larger than the maximum size established pursuant to rule. The suspension must be for at least one year but not more than 3 years from the date of conviction. Any conviction occurring more than 5 years before the last conviction may not be counted in determining the suspension.   [PL 2007, c. 615, §8 (NEW).]