70 ILCS 1805/30

(70 ILCS 1805/30) (from Ch. 19, par. 630) Sec. 30. In case any officer whose signature appears upon any bond or coupon or check or draft, issued pursuant to this Act, ceases to hold his office before the delivery thereof to the payee, his signature nevertheless shall be valid and sufficient for all purposes with the same effect as if he had remained in office until delivery thereof. (Source: Laws 1967, p. 3589.)