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Signed on May 24, 1977 by President Jimmy Carter, Executive Order 11987 requires Federal agencies, to the extent permitted by law, to: restrict the introduction of exotic species into the natural ecosystems on lands and waters owned or leased by the United States; encourage States, local governments, and private citizens to prevent the introduction of exotic species into natural ecosystems of the U.S.; restrict the importation and introduction of exotic species into any natural U.S. ecosystems as a result of activities they undertake, fund, or authorize; and restrict the use of Federal funds, programs, or authorities to export native species for introduction into ecosystems outside the U.S. where they do not occur naturally.

Executive Order 13312 revokes the preceding Executive Order 11987 of May 24, 1977.

Executive Order 13112 was signed by President Clinton on Feb 3, 1999 establishing the National Invasive Species Council (Council or NISC). The Executive Order requires that a Council of Departments dealing with invasive species be created.
See also: About the Council for more information.

This order amends Executive Order 13112 and directs actions to continue coordinated Federal prevention and control efforts related to invasive species. This order maintains the National Invasive Species Council (Council) and the Invasive Species Advisory Committee; expands the membership of the Council; clarifies the operations of the Council; incorporates considerations of human and environmental health, climate change, technological innovation, and other emerging priorities into Federal efforts to address invasive species; and strengthens coordinated, cost-efficient Federal action.

Prepared for the Office of Management and Budget.
See also: NISC and NISC Secretariat Products for additional related resources.