1. COTA championship events (points awarding) shall normally consist of the eight classes described in section 3.

2. Non-championship COTA trials shall have sections with difficulty levels suitable for all classes. In special cases the event organizer may combine classes or use classes that differ from standard classes if the sections are suitable for both classes.

3. Competition classes that will have year-end rankings and awards will be determined at the year-end meeting.

4. A minimum of two entries shall be required to constitute a competition class for the championship series.

5. Only COTA members are eligible for championship points and year-end awards.