Rules Analysis
If the disc is out-of-bounds (10.E) or comes to rest in the end zone, a member of the team becoming offense must put the disc into play within twenty seconds after it comes to rest.
For an out-of bounds disc that has come to rest on the central zone, the team becoming offense will have twenty seconds to put it into play.
If the disc is out-of-bounds, after twenty seconds elapse, a defensive player within ten feet of the spot the disc is to be put into play may announce disc in, and then initiate and continue the stall count, but only if a defensive player has given audible warnings of twenty, ten and five seconds (the pre-stall).
If the disc is out-of-bounds, after twenty seconds elapse, a defensive player within three meters of the spot the disc is to be put into play may announce disc in, and then initiate and continue the stall count, but only if a defensive player has given audible warnings of twenty, ten and five seconds (the pre-stall).