Sure I can. His party sues in the Supreme Court and he’s seated until the resulting Constitutional issues are resolved. That might take awhile if it is intended to take awhile.
Has that ever been done before? I don't even think there is jurisdiction for that. Once it's passed, the Supremacy Clause makes it out of reach to be overturned by a ruling from SCOTUS. The only thing the SCOTUS could do is find some definitional wiggle room around its implementation, but that should be addressed in the language of the amendment.
Maybe some of the other proposed amendments might have w
-PJ