Note- The rulings in this sub-section may be out of date. Refer to the latest DCI rules for more accurate information.
D.7.1- Card sleeves are allowed on cards, but the judge or opponent in a specific duel may request that they be removed. If this is requested, it must be complied with. [Tournament Rules 1996/10/01]
D.7.2- If sleeves are used, all cards in the deck, library and sideboard must be identically wrapped. If holograms are on the sleeves, they must be on the face (not the back) of the cards. [Tournament Rules 1996/10/01]
D.7.3- Players can ask the judge to inspect the sleeves and can disallow them if they are obviously marked, worn, or in a poor condition that may interfere with shuffling. [Tournament Rules 1996/10/01]
D.7.4- Black-backed sleeves are allowed but are subject to the normal sleeve removal rule. The deck must be fully legal without the sleeves. [DCI Letter Jan 1997]
D.7.5- New card sleeves and/or protective devices are not permitted until the DCI gives its official approval. [Tournament Rules 1997/10/01]
D.7.Ruling.1- You can always use a card sleeve as a reminder when placing one of your cards in your opponent's territory. [Tournament Rules 1997/10/01]