The summary is that within 60 legislative session days of a regulation being issued Congress can go through an expedited process (in particular, not filibusterable) to pass legislation that blocks the rule from going into effect. The catch is that the legislation still needs to be signed by the president, or you have to override the veto. But if you get a new president before the 60 legislative session days are up...
The summary is that within 60 legislative session days of a regulation being issued Congress can go through an expedited process (in particular, not filibusterable) to pass legislation that blocks the rule from going into effect. The catch is that the legislation still needs to be signed by the president, or you have to override the veto. But if you get a new president before the 60 legislative session days are up...
http://www.libertylawsite.org/2016/11/17/midnight-mulligan-t... has some analysis of how that might play out in this case.