#1) Not until time comes off the clock. A1 was not ready after the timeout, so they would have to wait just like a normal substitution in that situation.
#2) Yes. They just have to inform you as the official and the scorer the change was made. Heck I would even suggest this if the blood was that abundant.
Peace
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Let us get into "Good Trouble."
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Charles Michael “Mick” Chambers (1947-2010)
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