A National Heavy vehicle licence is issued to drivers who are qualified to drive heavy rigid, heavy combination or multi-combination vehicles.

The MAXIMUM permitted blood alcohol concentration when driving a heavy vehicle is below 0.02.

• Applicants for light rigid (LR) and medium rigid (MR) must have had a minimum of 12 months car (C) class driving experience (only driving experience on a Provisional or Full licence is taken into consideration).
• Applicants for heavy rigid (HR) must had a minimum of 24 months C class driving experience (only driving experience on a Provisional or Full licence is taken into consideration).
• Applicants for heavy combination (HC) must have had a minimum of 12 months MR or HR class driving experience.
• Applicants for multi-combination (MC) must have had a minimum of 12 months HR or HC class driving experience.
• Applicants must be at least 20 years of age, hold a full Australian car licence and have held a provisional or full car licence or driver licence of a higher class for 3 years (or a period totalling at least 3 years).  Applicants for an 'M' licence only, must hold a full Australian motorcycle licence and have held a provisional or full motorcycle licence for 3 years (or for period totalling at least 3 years).
• Applicants for O, H or T condition are required to undergo a full medical with Health Services Australia (HSA), a police character check and provide a certificate of good character.  Driver Licence Medicals, Commercial Driver's Health Assessments and Police Character Checks are valid for six months from the date of issue.