702.11. Looking at Opponent Private Information [Warning]: A player accidentally looks at information that is private to their opponent. See CR 127 Privacy for information types.

702.11.a. Players should not be penalized via a remedy for errors their opponents make. Example: If one of your opponents inappropriately drops a card from their hand on the table, you do not receive a penalty if you see it.
702.11.b. Remedies:
702.11.b.1. The opponent whose private information it is may decide whether to take involved cards in the now-known private information and re-randomize them with the original randomized source of appropriate cards.
702.11.b.2. If they decide not to, instruct the players to proceed.