Vietnam Securities Depository and Clearing Corporation (VSDC) allocates and manages local securities codes for all securities registered at VSDC. Local security codes are used as transaction codes of issuers when they register to be listed/traded on stock exchanges. Besides, VSDC is also designated to be the unique and official agency of Vietnam allocating International Securities Identification Numbers (ISIN) for all securities in Vietnam Securities Market.
 Local securities codes and ISINs are simultaneously allocated with issuance of securities registration certificates when issuers register their securities at VSDC. For securities that are traded on the derivatives market, VSDC shall allocate ISIN upon receiving notice of local codes from the Stock Exchange.
Securities codes allocated by VSDC can not be changed except for issuers' securities registration cancellation. In special case, at issuer's request, VSDC can accept change of securities codes for issuers after receiving upon from SSC (not applicable for issuers who have their securities listed, registered for trading on the Stock Exchanges. When issuers cancel their securities registration, VSDC shall automatically cancel securities codes and the respective ISINs.
  Upon being allocated, information on local securities codes and ISINs will be published on VSDC’s website for related parties’ reference.
Processes and procedures are specified in Decision no. 11/QĐ-HĐTV dated 10/08/2023