¹[74A. Recognition as holder of Port Trust securities in certain cases.--The person to whom a duplicate security has been issued under section 73 or a new security or securities has or have been issued under section 74 shall be deemed for the purposes of section 74B to have been recognised by the Board as the holder of the security or securities; and a duplicate security or a new security or securities so issued to any person shall be deemed to constitute a new contract between the Board and such person and all persons deriving title thereafter through him.]