Oil spill governance in the United States debates is illustrated in the question "who is liable in the case of a vessel spill?" The cargo owner or the ship operator/ owner? Another significant issue was the interaction of domestic legislation and international measures. In 1980's, international agreements being considered would take over oil spills federal and state laws adding further complexity to party liability. However, after the "Exxon Valdez" incident, the short comings of the patchy framework for oil spill governance was apparent and growing pressure placed on lawmakers resulted in the establishment of the more comprehensive Oil Pollution Act of 1990. The Oil Pollution Act (1990):
Oil spill governance in the United States are co-ordinated by the USCG. The National Oceanic and Atmospheric Administration, Office of Response and Restoration (NOAA) works closely with the USCG in providing assistance in technical areas such as Consideration of Alternatives, Oil displacement tracking and risk assessments. Different authorities are responsible for governing oil spill prevention and anticipation depending on the potential sources of the oil spills. A number of executive orders (EOs) and memoranda of understanding (MOU) have established the authorities and agencies responsible for various classes of potential oil spills (Table 1). Table.1 Federal Agency Jurisdiction for oil spill anticipation and prevention duties, by potential sources.