It is a violation of 24-A M.R.S.A §2382, an unfair trade practice, and an unfair method of competition for the insurer, knowingly or negligently:
For each violation of this section, subject to the limitations of 24-A M.R.S.A. §2387, the Superintendent shall assess a civil penalty no less than three times the difference between the approved Maine rate and the unauthorized rate used by the insurer, and shall take whatever further enforcement action is warranted by the violation.
02-031 C.M.R. ch. 550, § 7