A. Coach
1.1 The person must be aged 18 or over.
1.2 The person cannot serve as coach of two competing teams in the same match.
B. Coaching
1. The coach may interact with his/her players only in the following periods:
1.1 Warm-up
1.2 Change of set
1.3 Between rallies
1.4 At switch of the court
1.5 Time-out
2. The coach can freely give instructions in the following periods:
2.1 Time-outs
2.2 Technical Time-outs (if any)
2.3 Set intervals
2.4 Intervals between completed rallies
2.5 Exceptional game interruptions.