Effecive immediately, failing to reveal your morph is now a Warning. A non-morph played as a morph, unless it’s caught by the player almost immediately, remains a Game Loss.

Full explanation is at http://blogs.magicjudges.org/telliott/2014/12/12/changing-morph-handling-in-the-ipg/

You're welcome, Baltimore!

Cheers,
Toby