Section 380.715 - Assessments(a) Training providers must use written assessments to determine driver-trainees' proficiency in the knowledge objectives in the theory portion of each unit of instruction in appendices A through E of part 380, as applicable. The driver-trainee must receive an overall minimum score of 80 percent on the theory assessment.(b) Training instructors must evaluate and document a driver-trainee's proficiency in BTW skills in accordance with the curricula in appendices A through D of part 380, as applicable. 81 FR 88791 , Dec. 8, 2016, as amended at 83 FR 16225 , Apr. 16, 2018