There certainly is a lot of political pressure for states to adopt the new federal tax codes. But there is no law that requires them to do so.
“A man has to learn that he cannot command things, but that he can command himself; that he cannot coerce the wills of others, but that he can mold and master his own will: and things serve him who serves Truth; people seek guidance of him who is master of himself.”
“I am really only interested in new information, not freelance opinion. I don't really care what you think off the top of your head.”