It is usually called a "bill" before it is passed and while it is pending in the Congress or the state legislature.
Read more: http://wiki.answers.com/What_is_the_name_of_a_law_before_it_is_passed#ixzz16Wxv6VJr
It is referred to as A BILL.
A bill
Laws are bills in Congress before they are passed and become law.
Peace Preservation Law was passed before the General Election Law.
bill
Before a law is passed, it is commonly referred to as a bill. Bills are proposed pieces of legislation that undergo a series of debates and revisions before they can be voted on by the legislative body to become a law.
Bill
Bill
you call it a mace
An ex post facto law
Ex post facto law
An ex post facto law - (in the US) such a law is prohibited by the Constitution.
The term is "ex post facto" law and such a law is unconstitutional.
1793