Section 19. Petition for Declaratory Relief.— Any natural or juridical person whose rights are affected by any provision of this Act, may, before breach or violation thereof, bring an action to determine any question of construction, validity or constitutionality arising under this Act and for a declaration of his rights or duties thereunder.

In any action involving the construction, validity or constitutionality of any provision under this Act, the Solicitor General shall be notified by the party contesting such provision and shall be entitled to be heard upon such question.

The petition shall be filed with the Supreme Court and shall be given precedence over any other civil business pending therein.