Lone Star Region Volleyball Referee Exam Lone Star Region Volleyball Referee Exam Choose the appropriate exam below. Click Here for Test A Test A (Regional Referees Only) Click Here for Test C Test C (Provisional Referees, Coaches, and Players 15+) Click Here for Test D Test D (Players 14 and Under) Choose the appropriate exam below. Click Here for Test A Test A (Regional Referees Only) Click Here for Test C Test C (Provisional Referees, Coaches, and Players 15+) Click Here for Test D Test D (Players 14 and Under)