BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF DELAWARE:
Section 1. Amend Title 11 of the Delaware Code by striking § 422 thereof in its entirety, and by inserting in its place a new section to read:
"§ 422. Intoxication not mental illness.
Evidence of voluntary intoxication shall not be admissible for the purpose of proving the existence of mental illness, mental defect, or psychiatric disorder within the meaning of §401 of this Title."