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Guidelines in the U.S. Department of Labor's Hazardous Occupations Order in Agriculture (AgHO) regulations state that youth can receive tractor safety certification after participating in a 10-hour course, or receive tractor and machinery safety certification after participating in a 20-hour course. An additional four hours of orientation to on-farm hazards and general safety is required to receive full certification in a 24-hour course. Previous research has shown that traditional safety education certification programs were conducted with non-standardized methods and old curriculum materials. The objective of the National Safe Tractor and Machinery Operation Program (NSTMOP) project was to design an effective, efficient, and accountable youth farm machinery certification program with national uniformity and a single set of economically producible instructional materials with demonstrated content validity. The format for the NSTMOP project was guided by focus groups, a national steering committee, and selected agricultural safety educators. Primary curriculum materials include a task sheet format, and new skills and driving evaluations. Data analysis indicates that the instructional materials, the instructional plan, and the evaluation of student participants satisfactorily met the objectives of the NSTMOP project and the AgHO regulations.