(760 ILCS 70/4) (from Ch. 32, par. 439.53)
    Sec. 4. Adverse claims.
    If a person having or asserting a claim of beneficial interest adverse to the transfer of a security from a fiduciary delivers written notice of the claim to the corporation before the transfer, the corporation shall promptly notify the claimant by registered mail of the presentation of the security for transfer. The corporation shall withhold the transfer for 30 days after sending the notice and shall then make the transfer unless it is restrained by a court order.
(Source: Laws 1961, p. 2433.)