Which decisions can the on-field umpires refer to me?

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These are umpire reviews. They don't use up a team's reviews. Situation How it reaches you Notes Run out, stumped, bowled, hit wicket TV-screen sign Check fairness first for stumped, bowled and hit wicket Fair catch or bump ball; obstructing the field Bowler's end umpire consults striker's end umpire, then radio and TV-screen sign Check fairness and whether the batter hit the ball Four or six; fielder touching the ball while touching or grounded beyond the boundary; runs from a boundary overthrow Two-way radio Decide immediately; can't be changed. Inconclusive = no boundary Which batter made their ground first (both at the same end) Two-way radio Short run On request, by radio Ball hitting an overhead camera or its cables Two-way radio Decide immediately. Inconclusive = no contact Fairness of a delivery after a dismissal Radio; batter asked to wait Any No ball type except the feet (already checked) and an illegal action You may contact the on-field umpires yourself by radio if the TV coverage shows a boundary infringement or the ball hitting an overhead camera that they haven't acted on. Show your decision with red (Out) or green (Not out), or on the replay screen in line with the Betway SA20 Big Screen Policy.

Situation	How it reaches you	Notes
Run out, stumped, bowled, hit wicket	TV-screen sign	Check fairness first for stumped, bowled and hit wicket
Fair catch or bump ball; obstructing the field	Bowler's end umpire consults striker's end umpire, then radio and TV-screen sign	Check fairness and whether the batter hit the ball
Four or six; fielder touching the ball while touching or grounded beyond the boundary; runs from a boundary overthrow	Two-way radio	Decide immediately; can't be changed. Inconclusive = no boundary
Which batter made their ground first (both at the same end)	Two-way radio
Short run	On request, by radio
Ball hitting an overhead camera or its cables	Two-way radio	Decide immediately. Inconclusive = no contact
Fairness of a delivery after a dismissal	Radio; batter asked to wait	Any No ball type except the feet (already checked) and an illegal action