30 ILCS 168/20
If this amendatory Act of the 93rd General Assembly or any portion of the amendment to subdivision (2)(B)(ii) of subsection (a) of Section 15 made by this amendatory Act of the 93rd General Assembly is held by a court of competent jurisdiction to be unconstitutional, then such subdivision (2)(B)(ii) of subsection (a) of Section 15 shall be deemed to be repealed in its entirety. If subdivision (2)(B)(ii) of subsection (a) of Section 15 shall thereafter be held by a court of competent jurisdiction to be unconstitutional, then this amendatory Act of the 93rd General Assembly shall be deemed repealed and subdivision (2)(B)(ii) of subsection (a) of Section 15 shall be restored as if no such amendments had been made. Neither any holding of unconstitutionality nor the repeal of subdivision (2)(B)(ii) of subsection (a) of Section 15 shall affect, impair, or invalidate any other portion of Section 15 or the application of such Section to any other person or circumstance, and such remaining portions of Section 15 shall at all times continue in full force and effect.
30 ILCS 168/20