E.__"Large commercial passenger vessel" means a commercial passenger vessel that provides overnight accommodations for 250 or more passengers for hire, determined with reference to the number of lower berths.

F.__"No-discharge zone" means an area within coastal waters that has been designated by the United States Environmental Protection Agency pursuant to 33 United States Code, Section 1322, to be an area in which discharge of blackwater is prohibited.

G.__"Small commercial passenger vessel" means a commercial passenger vessel that provides overnight accommodations for fewer than 250 passengers for hire, determined with reference to the number of lower berths.

2.__Licensing exemptions.__ A license is not required pursuant to section 413 prior to the discharge of graywater to coastal waters from:

A.__A small commercial passenger vessel;

B. A commercial passenger vessel operated by the United States or a foreign government; or

C.__A commercial passenger vessel if the discharge is made for the purpose of securing the vessel or saving life at sea, and as long as all reasonable precautions have been taken to prevent or minimize the discharge. A discharge as described in this paragraph must be reported in accordance with subsection 3.

3.__Report of unauthorized discharge.__Discharges of blackwater or graywater from a large commercial passenger vessel to coastal waters must be reported to the department as provided in this subsection.

A.__The owner or operator of a large commercial passenger vessel that discharges blackwater within a no-discharge zone

or discharges blackwater in violation of federal law outside a no-discharge zone shall immediately report that discharge to the department. The owner or operator shall submit a written report concerning the discharge to the department within 30 days of the discharge.