13. Toeball is the national sport of the Britalia Republic. Toeball matches are usually refereed by members of the Britalia Association of Toeball Referees (BATR). BATR claims that its members have professional status.
Classify the following criteria as either supporting or not supporting the claim for professional status.
A. Support Membership is dependent on passing BATR examinations
B. BATR members have systematic knowledge of complex rules
C. Each referee sets his or her own ethical standards independently
D. BATR can impose penalties on members for misconduct