The e-Cert Control Manager ("eCM") software (version 2.1.8 Build 7 or above) is released to support both the Sub CA "Hongkong Post e-Cert CA 1" and "Hongkong Post e-Cert CA 1 - 10". Subscribers with e-Cert (Personal) issued by the new Sub CA have to install or upgrade to this latest version of eCM in order to continue using their e-Cert on Smart ID Card.