All documentation for the TCS will be added here:

• Technical Addendum for the 5th generation TCS service
  The TCS Generation 5 Technical Addendum to the CPS v2.2 (TA-G5-01) augments the TCS CPS version 2.1 for Server certificates and version 2.2 for Personal and eScience Personal (Authentication) certificates with respect to the changes implemented for the 5th generation TCS service. This Technical Addendum is currently under consideration by the TCS PMA.
  
  
• TCS Certification Practice Statement - Server, eScience Server and Code Signing Certificates
  This document defines the legal, commercial and technical practices for approving, issuing, using and managing TCS Server, eScience Server and Code Signing certificates. It also outlines the roles and responsibilities of the parties involved in maintaining the TCS public key infrastructure. Version 2.1
  
  
• TCS Certification Practice Statement - Personal, eScience Personal and Document Signing Certificates
  This document defines the legal, commercial and technical practices for approving, issuing, using and managing TCS Personal, eScience Personal and Document Signing Certificates. It also outlines the roles and responsibilities of the parties involved in maintaining the TCS public key infrastructure. 
  • Version 2.2, issued April 2023 (introduction of the private trust authentication profiles)
  • Version 2.1, issued March 2020 (introduction of the 4th generation TCS service)
    
    
• Sectigo Terms of Use
  Available at: https://sectigo.com/uploads/files/Certificate-Subscriber-Agreement-v2.2-click.pdf.
  
  
• TCS Intermediate Certificates
  The TCS Service offers services in multiple trust categories: public (web) server SSL, S/MIME email, and client "TCS Authentication" ('IGTF') private trust. Ensure that all relevant trust anchors are installed for your services to support the intended use case.
  
  • All trust anchors and intermediates for the GEANT TCS Service and Research and Education Trust
  • Public-trust certificates can also be viewed in the certificate transparency (CT) log servers.
    
    
• TCS Subscriber Agreement
  Has been circulated to NRENs for review and comment.
  
  
• TCS Policy Management Authority
  This document defines the role and membership of the TCS PMA. It also outlines the procedure for requesting changes to certification policy.
  
  
• TCS Certificate Types.