Excerpt from California Boating Laws
State of California, Boating Laws, 2010

133. Discharging oil upon navigable waters. Except in case of emergency imperiling life or property, or unavoidable accident, collision, or stranding, or as otherwise permitted by law, it is unlawful and constitutes a misdemeanor for any person to discharge, or suffer the discharge of oil by any methods, means, or manner, into or upon the navigable waters of the State from any vessel using oil as fuel for the generation of propulsion power, or any vessel carrying or having oil in excess of that necessary for its lubricating requirements, and such as may be required under the laws and prescribed rules and regulations of the United States and this State.
What sentence BEST summarizes paragraph 133?