DVIR inspection book helps satisfy DOT vehicle inspection regulations 49 CFR 396.11 and 396.13. These driver vehicle inspection report books are designed specifically for use with tractor-trailers. Driver vehicle inspection report forms include vehicle illustrations that can be used for easy identification of areas that are damaged or defective. 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.