Termination of securities DEMAT securities conversion (except for: converting closed-end investment unit into open-end investment unit) Generation of a dematerialized securities series that is related to securities series (demat or physical) (predecessor) already existing on securities accounts and includes the cancellation of the predecessor securities series. Partial cancellation of DEMAT securities Decrease of the nominal value pieces issued and the total nominal value issued on the central securities accounts of the dematerialized securities series created earlier as an electronic sign. Cancellation of DEMAT securities The cancellation on the central securities accounts of the total nominal value pieces issued of the dematerialized securities created earlier as an electronic sign and termination of the dematerialized securities as an electronic sign.