(225 ILCS 320/20) (from Ch. 111, par. 1119)
    Sec. 20. Grounds for discipline.
    (1) The Director may deny, revoke or suspend a license or registration when findings show one or more of the following:
        (a) That the licensee or registrant obtained or
conspired with others to obtain a license or registration by inducing the issuance thereof in consideration of the payment of money or delivery of any other thing of value or by and through misrepresentation of facts.
        (b) That the licensee or registrant willfully
violated any law of this State or any rule, regulation or code promulgated thereunder regulating plumbing, licensed or registered plumbing contractors, licensed plumbers, licensed apprentice plumbers, licensed retired plumbers, water well pump installations and private sewage disposal systems.
        (c) That the licensee or registrant has been guilty
of negligence or incompetence in the performance of plumbing.
        (d) That the licensee or registrant has loaned or in
any manner transferred his or her license to another person.
        (e) That the sponsor or his or her agent has failed
to properly supervise a licensed apprentice plumber.
        (f) That the owner or officer of a registered
plumbing contractor failed to maintain a valid plumbing license.
        (g) That the registered plumbing contractor used a
plumbing license without the permission of the licensee.
    (2) If a license is suspended or revoked, the license shall be surrendered to the Department but, if suspended, it shall be returned to the licensee upon the termination of the suspension period.
    The Department may refuse to issue or may suspend the license of any person who fails to file a return, or to pay the tax, penalty or interest shown in a filed return, or to pay any final assessment of tax, penalty or interest, as required by any tax Act administered by the Illinois Department of Revenue, until such time as the requirements of any such tax Act are satisfied.
(Source: P.A. 92-338, eff. 8-10-01.)