There are several ways to revoke your TC TrustCenter certificate:

1. Revocation by phone: Please dial 1-866-468-2180 (toll free).
2. Online Revocation: Revoke your certificate directly at this site.
3. Revocation by signed e-mail: Send an e-mail to certificate@trustcenter.de signed with the certificate to be revoked.
4. Revocation in written form: Send a letter to ChosenSecurity, Inc., 57 Wells Avenue, Suite 1, Newton, MA 02459 USA.

For revocation of your True BusinessID with EV certificate

1. Online Revocation: Revoke your certificate directly at this site.

For revocation of your QuickSSL Premium or your True BusinessID certificate you may:

1. Revoke by phone: Please dial 1-866-468-2180 (toll free).
2. Revoke in written form: Send a letter to ChosenSecurity, Inc., 57 Wells Avenue, Suite 1, Newton, MA 02459 USA.

Revocation of a Qualified Certificate:

1. Please dial 1-800-TCTRUST  (800-828-7878).