DVIR inspection book helps satisfy DOT vehicle inspection regulations 49 CFR 396.11 and 396.13. Driver vehicle inspection report books are used to document vehicle inspections for defects, which affect the safe operation of the vehicle. Driver vehicle inspection report forms can also be used by more experienced drivers who don’t need to be reminded of parts that must be inspected. This vehicle inspection report book set comes with 10 books. Each book contains 31 sets of DVIR forms. In total, you will receive 310 forms.