If you are interested in becoming authorized as a Certification Authority to issue STI certificates in Canada, contact us or submit your CPS here.

If you are a TSP registered with the CRTC as a Local Exchange Carrier (LEC) or Wireless Services Provider (WSP) with access to telephone numbering resources, you are eligible to become a Shareholder and participate. Contact us for more information.

Am I eligible to join the CST-GA?

Please complete the form below to find out if you are eligible to become a member of the CST-GA. Required*

Become an authorized Certification Authority

Please review the CST-GA Certificate Policy, complete the form below and then submit your Certificate Practice Statement (CPS). Required*.

  • Accepted file types: doc, docx, pdf, Max. file size: 64 MB.


Contact Us

If you have a question or would like to learn more information about the CST-GA , please do not hesitate to reach out.