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.
Any practice or law that violates the constitution is unconstitutional.
A law that violates the constitution is said to be unconstitutional.
They are called "unconstitutional laws".
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.
Yes, a law can be overridden if it is challenged as unconstitutional. If a court determines that a law violates the constitution, it can be declared invalid and unenforceable.
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.