Sec. 1. 38 MRSA §551, sub-§4-A is enacted to read:

4-A.__Penalty for late payment of fees.__Fees assessed under subsection 4 are due to the department on or before the last day of the month immediately following the month in which the oil was transferred or first transported in State.__Licensees or registrants who fail to pay the fee by that date shall pay an additional amount equal to 10% of the amount assessed under subsection 4.

Sec. 2. 38 MRSA §564, sub-§2-A, ¶H, as amended by PL 1993, c. 732, Pt. A, §2, is further amended to read:

H. Reporting to the commissioner any of the following indications of a possible leak or discharge of oil:

(1) Unexplained differences in daily inventory reconciliation values that, over a 30-day period, exceed 1.0% of the product throughput or 200 gallons, whichever is less;

(2) Unexplained losses detected through statistical analysis of inventory records;

(3) Detection of product in a monitoring well or by other leak detection methods;

(4) Failure of a tank or piping precision test, hydrostatic test or other tank or piping tightness test approved by the department; and

(5) Discovery of oil off site on or under abutting properties, including nearby utility conduits, sewer lines, buildings, drinking water supplies and soil.

The rules may not require the reporting of a leak or discharge of oil above ground of 10 gallons or less that occurs on the premises, including, but not limited to, spills, overfills and leaks, when those leaks or discharges do not reach ground water or surface waters of the State and are cleaned up within 24 hours of discovery, if a written log is maintained at the facility or the owner's place of business in this State. For each discharge the log must record the date of discovery, its source, the general location of the discharge at the facility, the date and method of cleanup and the signature of the facility owner or operator certifying the accuracy of the log;

Sec. 3. 38 MRSA §566-A, sub-§4, as amended by PL 1991, c. 817, §20, is further amended to read: