The GAARDS UI provides a method of adding certificate authorities to the GTS as trusted certificate authorities.  To add a certificate authority to the GTS you will need to provide the CA's certificate.  The CA's certificate is required for authentication and verifying the CA's signature.  In addition you need to select which Level(s) of Assurance the CA complies with.   To add a certificate authority to the GTS using the GAARDS UI, please complete the following steps:

1. Launch the GAARDS UI
2. Login as a GTS administrator.
3. From the Trust Fabric menu, select Certificate Authorities, this will launch the Certificate Authorities Window.
4. From the Service drop down select the GTS you wish to add a certificate authority to.
5. Click the Add button, this will launch Add Certificate Authority Window.
6. Select the Certifcate tab.
7. Click the Import Certificate button, this will launch a file browser.
8. Browse to the CA certificate for the certificate authority you are adding, and click the Open button.  This will load the certificate into the UI.
9. Select the Level of Assurance tab.
10. Select the Level(s) of Assurance that the certificate authority complies with.
11. Click the Add button, this will add the certificate authority to the GTS as a trusted certificate authority.