The official Pokémon TCG rules and formats document has been updated by The Pokémon Company. A technical issue caused it to revert to an earlier version, but this issue has since been fixed and the document is now fully up to date for the 2017 Championship Series season as of May 18, 2017. You can read the latest rules for governing the Play! Pokémon program on the official Rules and Resources page.
Source: Pokemon.com
Pokémon Blog 
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