All planning and designing of plumbing systems, and all plumbing, shall be performed only by a plumber, provided that no person who holds a certificate of registration provided by the Illinois Architecture Practice Act of 1989 (225 ILCS 301/1 et seq., as amended), the Structural Engineering Licensing Act of 1989 (225 ILCS 340/1 et seq., as amended), or the Professional Engineering Practice Act of 1989 (225 ILCS 325/1 et seq., as amended), shall be prevented from planning and designing plumbing systems.
(1977 Code § 6-203; Ord. 89-12. Passed 4-17-89.)