The maintenance tolerances for dockage testers used in performing official inspection services shall be:
| Air separation |
±0.10 percent, mean deviation from standard dockage tester using Hard Red Winter wheat |
| Riddle separation |
±0.10 percent, mean deviation from standard dockage tester using Hard Red Winter wheat |
| Sieve separation |
±0.10 percent, mean deviation from standard dockage tester using Hard Red Winter wheat |
| Total dockage separation |
±0.15 percent, mean deviation from standard dockage tester using Hard Red Winter wheat |