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Joining a Case - A User Guide

You might be a respondent or an intervenor if someone has filed a case and sent you a notice to join it.

This guide provides step-by-step instructions to help respondents and intervenors join cases in the Condominium Authority Tribunal’s online dispute resolution system.

 

Get information about:

  • The difference between a Notice and an Invitation
  • How to join a CAT case
  • What happens if you don’t join

Login and account services will be temporarily unavailable Monday, April 27, 2026 while we improve these features to better serve you. All other services will remain available.

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