You mean a deadline for an egregious, invalid, unconstitutional federal act so-called ACA (AKA Obamacare)?
The only thing that’s dead should be that stupid and illegal federal act. The states should nullify it unless or until it is repealed. I’ve personally nullified it.
This is truly a law for all the land, except the 3000+ groups that are FOB that get exceptions or exclusions or omission or ...
And it does nothing to be revenue neutral.