USCSS offers five (5) Levels of Classes. Affiliates/Trial Hosts may choose to offer single or multilevel trials.
|Open to inexperienced competitors, the competitor and not the dog, who have never titled in Scent Work.
|Open to experienced competitors, the competitor and not the dog, who have earned a NW1, DDN equivalent or higher in Scent Work.
|Open to competitors who completed the Novice A or B requirements.
|Competitors must have completed either Intermediate requirements.
|Competitors must have completed the Advanced requirements.
|Competitors must have completed the Senior requirements