(70 ILCS 1835/27)
(from Ch. 19, par. 727)
In case any officer whose signature appears upon any 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: P.A. 76-1788