Final answer:
The incorrect statement is option 2) The player may change caddies during play of a hole, but must not do so temporarily to get advice from the new caddie.
Step-by-step explanation:
In golf, a caddie is a person who assists a player during a round. Regarding the given options, the incorrect statement is option 2) The player may change caddies during play of a hole, but must not do so temporarily to get advice from the new caddie. In reality, a player may temporarily change caddies to get advice from the new caddie as long as it doesn't exceed the allowable time limit.
Therefore, the correct answer is 2) The player may change caddies during play of a hole, but must not do so temporarily to get advice from the new caddie.