(815 ILCS 135/3.1) (from Ch. 17, par. 5804)
    Sec. 3.1. When the obligor of the loan is induced by the contractor to sign a completion certificate before the contractor has performed the labor or delivered the materials as stated by such certificate, regardless of whether the obligor understood the significance of his signature upon such a certificate, the contractor shall perform the labor and deliver the materials as stated within a reasonable time from the date the obligor signed such document.
(Source: Laws 1965, p. 1235.)