a. The applicant’s name and address; b. The name and type of tractor; c. The name and type of protective structure, and the manufacturer’s name and address; d. Report from an approved institution on the assessment, calculation or testing of the strength of the protective structure; e. Material specifications with reference to a standard, or confirmation from the manufacturer of the protective structure that the structure is made of semi-killed or killed steel; f. A dimensioned drawing of the protective structure and its attachment points to the tractor.