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 74 B 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. | 
