the term “Commission for Environmental Cooperation” means the commission established by Part Three of the North American Agreement on Environmental Cooperation; and

the term “North American Agreement on Environmental Cooperation” means the North American Agreement on Environmental Cooperation Between the Government of the United States of America, the Government of Canada, and the Government of the United Mexican States (signed at Mexico City, Washington, and Ottawa on September 8, 9, 12, and 14, 1993).