Lifting, Marking, Replacing, Dropping, and Placing (Rule 14)

Rule 14.1: Before lifting a ball, the player must mark its spot with a ball-marker or a small object (a coin, for example) placed directly behind or next to the ball. Failure to mark before lifting results in a one-stroke penalty.

Source: Rule 14.1, Rule 14.2, Rule 14.3

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