Umpire Level: |
L7 - Referee (International or National) |
L6 - Basic Referee (STTA certificate) |
L5 - International Umpire (ITTF certificate) |
L4 - Active and experienced L3 NSG Umpires |
L3 - National Umpire (STTA certificate) |
L2 - Junior Umpire (active player with PEOS certificate) |
L1 - Junior Umpire (active player) |