(815 ILCS 205/7) (from Ch. 17, par. 6415)
    Sec. 7. The defense of usury shall not be allowed in any suit, unless the person relying upon such defense shall set up the same by plea, or file in the cause a notice in writing, stating that he intends to defend against the contract sued upon or set off, on the ground that the contract is usurious.
(Source: Laws 1879, p. 184.)