The issue focused on legal sanctions against Pokémon TCG cards with altered artwork and codes that affect gameplay in foreign languages. While such modifications were initially restricted to tournament formats like Advanced Constructed and Constructed Online, certain modifications were approved for trading cards as well. While legal for tournament play in Japan and Korea, players were prohibited from acquiring cards from overseas vendors who modified cards with altered artwork or altered codes. Other modifications such as packs having altered artwork were permitted for tournament play in Japan and Korea. While banned for tournament play