> For AI agents: [llms.txt](https://docs.trustedauth.com/llms.txt) provides a Markdown index of this documentation.

# Export a PKIaaS PIV Content Signer certificate

The PIV Content Signer signs the contents of the smart credential. For example, if you have an application and want to verify the contents of the smart credential, you need the PIV Content Signer certificate to verify the signatures on the smart credential contents.

1. Click Menu icon **>** **Resources > Certificate Authorities**. The **Certificate Authorities List** page appears.
2. Click Ellipsis Vertical icon next to the certificate and select **Export PIV Content Signer**. The **Export PIV Content Signer Certificate** dialog box appears.
3. Do one of the following:
   - Click **Certificate** to export the PKiAAS certificate.
   - Click **Root CA Certificate** to export the PIV Content Signer certificate.
   - Click **Certificate Chain**. The Certificate Chain includes three certificates:
     - the root CA certificate
     - the issuer CA certificate
     - the PIV Content Signer certificate
4. Click **Export**.

info

After you create a PIV content signer for your CA, you can still create another one. PIV content signer has a 3 year lifetime, which needs to be replaced when it expires. You can create a new PIV content signer to replace an expired one.