(10 ILCS 5/17-2) (from Ch. 46, par. 17-2)
    Sec. 17-2. Upon opening the polls one of the judges of election shall make proclamation of the same, and at least 30 minutes before the closing of the polls proclamation shall be made in like manner that the polls will be closed in half an hour.
(Source: Laws 1957, p. 1450.)