During this stage, the SDC undertakes the responsibility of registering any changes or amendments made by the issuer on securities issued and authenticating it on the SDC database, this includes: Increase/ Decrease of capital, Stock Splits and Merger in addition to authentication and release of pledge and freezing. The SDC also offers services to owners of securities, issuers, brokers and custodians such as market-to-market services, market activity analysis and other services.