770 ILCS 70/19

(770 ILCS 70/19) (from Ch. 82, par. 519)

Sec. 19. Waivers. The taking of any note or any additional security by any person given a lien by this Act shall not constitute a waiver of the lien unless made a waiver by express agreement of the parties in writing. The claiming of a lien under this Act shall not constitute a waiver of any other right or security held by the claimant unless made a waiver by express agreement of the parties in writing.

(Source: P.A. 86-377.)