# Create CRL
A CRL is a Certificate Revocation List. When any certificate is issued, it has a validity period which is defined by the Certification Authority. Usually this is one or two years. Any time a certificate is presented as part of an authentication dialog, the current time will be checked against the validity period.
On the Dashboard page, click on Cert/CRL Management -> Manage CRL from the sub menu, All the Root, CA certificates CRLs will be displayed as shown below.
If CRL status is inactive click on to create CRL.
On clicking on icon, displays popup window to Authenticate before creating CRL as shown below
On the above shown Figure , Enter CRL Validity.
Check on CRL Auto generation. (optional) If checked then only CRL Frequency will show.
Enter CRL Frequency.
Now sign and Authenticate with valid email ID of officer and token PIN.
Click on Create CRL button. Click on close button/icon to close the popup.
CRL will be created successfully as shown below.
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://emca.emudhra.com/previous-release-versions/v4.0.13/user-manual/manage-crls/create-crl.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.