Yep, you only need to clear emigration

Posted by que on Thursday, 19. April 2012 at 15:20 Bali Time:

In Reply to: can I be denied boarding? posted by syb on Thursday, 19. April 2012 at 14:47 Bali Time:

within 30 days. Even if you don't its only about AUS$20 for each day of overstay