Ex Post Facto Laws (after the fact)
Nope..
Proscription is making something formally forbidden or illegal.
Such a law is called Ex Post Facto.
Congress has passed a new law making purple hats illegal.Example sentence: Congress has passed a law saying that driving under the age of 15 is illegal.
US Congress.
The law-making branch. In USA- Congress
Congress passes a law making it illegal to own handguns. (APEX)
You are probably groping for the word "Congress." The US Congress is "bicameral" meaning it consists of two bodies. One body is called the Senate. The other is called the House of Representatives.
Piracy.Added: Copyright Infringement - Theft of Intellectual Property
I think you are looking for the word 'bootlegging' or 'moonshining'
Yes. It was called "It's a Trap"
the process is called making a recess appointment. The appointment can be reversed by a majority of the congress when they return, but otherwise will stand. At least that's my understanding.