What Is the Legal Effect of a Declaration of Incompatibility

Multiple Choice

What is the legal effect of a declaration of incompatibility?

A) There is no legal effect because the declaration does not affect the validity of the Act.
B) There is a legal effect because the declaration invalidates the Act in question.
C) There is a legal effect because the party bringing the action will win if the court issues a declaration of incompatibility.
D) There is a legal effect because the public authority defending the action will lose if the court issues a declaration of incompatibility.