Board Thread:Naruto Discussions/@comment-3965545-20160510012347/@comment-734582-20160518104125

Actionmanrandell wrote: the effects of the shared vision is obviously permanent otherwise the eyes would cease to being Rinnegan once the chakra receivers were removed. it's not.

Pain attacked almost immediately after Jiraiya's investigations. Why do you think? because it's only a limited time effect. The rinnegan pattern fading would've instantly revealed the nature of the technique. Pain simply attacked before that would happen.

It's not evidence that it's permanent, not in the least. If they were, it would inevitably have been mentioned again.