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Definition: Substitute

To change the ball the player is using to play a hole by having another ball become the ball in play.

Another ball has been substituted when that ball has been put in play in any way (see Rule 14.4) to take the place of the original ball, whether the original ball was:

• In play, or
• No longer in play because it had been lifted from the course or was lost or out of bounds.

A substituted ball is the player's ball in play even if:

• It was replaced, dropped or placed in a wrong way or wrong place, or
• The player was required under the Rules to put the original ball back in play rather than to substitute another ball.

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