(70 ILCS 605/12-12) (from Ch. 42, par. 12-12)
    Sec. 12-12. Additional signers to petition.
    At any time before the conclusion of the hearing on a landowners petition filed with the court under any of the provisions of this Act, other landowners shall be permitted to join as petitioners and upon so joining they shall be considered as signers in determining the sufficiency of the petition.
(Source: Laws 1955, p. 512.)