Hi Adam: President Bill Clinton signed Executive Order 13112 a couple of hours before he left office. The definitions and legal enforcement provisions are imbedded within the document. Boyce Tankersley Director of Living Plant Documentation Chicago Botanic Garden 1000 Lake Cook Road Glencoe, IL 60022 tel: 847-835-6841 fax: 847-835-1635 email: btankers@chicagobotanic.org