Probably the biggest dilemma of novice exhibitors will be the topic of which class to register a dog for. The division is made according to age and also according to collected awards from previous exhibitions. You place the dog in the correct class according to its age on the day of the show.
| Class | Age on show day |
| Puppies | 4 - 6 months |
| Teenager | 6 - 9 months |
Youth |
9 - 18 months |
| Intermediate class | 15 - 24 months |
| Třída otevřená | from 15 months |
| Open class | from 15 months with the necessity of a work certificate |
| Champions | from 15 months with already assigned title |
| Veterans | from 8 years |