It's when a law is in conflict with another amendment within the Constitution or another law. Or generally, a law that is wrong to have and defies the Constitution alone.
The judicial branch can say if a law is unconstitutional.
A law that violates the constitution is said to be unconstitutional.
They are called "unconstitutional laws".
Any practice or law that violates the constitution is unconstitutional.
No, an Appeals Court cannot 'find' a law unconstitutional. They might declare a law to be unconstitutional IN THEIR BELIEF, but they can only overturn the decision of the lower court and/or return it to them for further action or consideration. Only the U.S. Supreme Court can find a law unconstitutional.
Unconstitutional
Congress can REPEAL any law, constitutional or not. Only the Court can overturn a law because it is unconstitutional.
That a state had the right to ignore a law, if it thought the law was unconstitutional
A law which conflicts with a constitution is said to be unconstitutional.
an unconstitutional law
When a law is declared unconstitutional, it is nullified and becomes unenforceable. Sometimes Congress quickly rewrites the law to bring it into compliance with the Constitution.
When a law is declared unconstitutional, it is nullified and becomes unenforceable. Sometimes Congress quickly rewrites the law to bring it into compliance with the Constitution.