Root.crl (certificate revocation list, optional).

crl(证书撤销列表，可选)。

Certificate revocation can also be checked using the OCSP protocol.

证书的撤销也可以使用OCSP协议进行检查。

Revocation of the business licences or the licences for advertising operation.

吊销营业执照或者广告经营许可证。

Such revocation is effective upon its receipt by the secretary of the corporation.

撤销生效时间以公司秘书收到文件时为准。

The use of a certificate revocation list is mandatory when using CA issued certificates.

在使用 CA 颁发的证书时强制使用证书撤销列表。