Use the following files for the commercial trucks and buses module in the Verify System.

• Data Requirements for Heavy Duty Vehicles in Release 20.0 (XLS)(4 pp, 697 K, February 2016)
  Contain descriptions (glossary) of each element and how it is to be used.
• Business Rules for Heavy Duty Vehicles in Release 20.0 (XLS)(2 pp, 651 K, February 2016)
  Define or constrain acceptance of information based on our regulatory implementation and allow for the validation of new submissions with existing system information.
• XML Schema for Heavy Duty Vehicles in Release 20.0 (zip)(1 pg, 9 K, February 2016)
  Validates the formats of the data input into the system.

• XML Schema Change Log for Heavy Duty Vehicle in Release 20.0 (PDF)(1 pg, 50 K, February 2016)