In stroke play, which of the following is incorrect regarding a player's scorecard?
A. After each hole, the marker should confirm the player's score for that hole with the player and enter it on the scorecard.
B. When the round has ended, the marker must certify the scorecard.
C. The player must certify the scorecard and promptly return it to the Committee, after which he or she may make changes only where there is an obvious error.
Answer: C