Complain to the Certification Officer about a trade union or employers' association

How to make an application to the Certification Officer under the Trade Union and Labour Relations (Consolidation) Act 1992.


Guidance on the disclosure of identity of individuals making applications and complaints to the Certification Officer.

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Registration of complaint form


There are 4 documents that deal with different aspects of making a complaint about a trade union or, in some circumstances an employers’ association, to the Certification Officer. The documents deal with:

  • the types of complaints that can be dealt with by the Certification Officer including breaches of certain types of rules and statutory provisions
  • how the Certification Officer will deal with complaints
  • the circumstances in which complaints can be made anonymous
  • registering a complaint
Published 19 August 2014
Last updated 7 April 2017 + show all updates
  1. The Certification Officer has moved, please note we have now a new address.
  2. First published.