During an entire round, each ball at which the player makes a stroke must be the same brand and model as found in a single entry on the current List of Conforming Balls.
If a different brand and/or model is dropped, replaced or placed but has not yet been played, the player may correct the mistake by stopping use of that ball, without penalty, under Rule 14.5. The player must drop, replace or place a ball of the same brand and model as used at the start of the round.
When the player discovers he or she has played a ball in breach of this Local Rule, he or she must stop using that ball before playing from the next teeing area and complete the round with a ball of the same brand and model as used at the start of the round; otherwise the player is disqualified.
If the discovery is made during the play of a hole, the player may complete play of this hole with the ball played in breach or place a a ball of the correct brand and model on the spot where the ball played in breach of this Local Rule was lifted from.
Penalty for Making a Stroke at a Ball in Breach of Local Rule:
The player gets the general penalty for each hole during which he or she is in breach of this Local Rule.
One Ball Rule; Model Local Rule G-4 is in effect.
Penalty for making a stroke at a ball in breach of the Local Rule: General penalty for each hole during which the player is in breach.