| Column 1 | Column 2 |
| Total period | Category of breach |
| Circumstance of contravention relating to work time | Circumstance of
contravention relating to rest time | Risk category |
| In any period of … | If a driver has exceeded the maximum work time by
… | If a driver has had less than the minimum rest time by …
| … the following category of breach is committed … |
| Less than 7 days | ≤ 45 minutes work time | ≤ 45 minutes rest time | minor
risk |
| > 45 but ≤ 75 minutes work time | > 45 but ≤ 75 minutes rest time
| substantial risk |
| > 75 but ≤ 90 minutes work time | > 75 but ≤ 90 minutes rest time | severe
risk |
| > 90 minutes work time | > 90 minutes rest time | critical risk |
| 28 days, if the period is 7 days or more | ≤ 1½ hours work time | | minor
risk |
| > 1½ but ≤ 2½ hours work time | | substantial risk |
| > 2½ but ≤ 3 hours work time | | severe risk |
| > 3 hours work time | | critical risk |
New South Wales Consolidated Regulations