Certification Officer: Trade Unions Mr. Djanogly To ask the Secretary of State for Business, Enterprise and Regulatory Reform whether the Certification Officer's office has a recognition agreement with a trade union. Mr. McFadden [holding answer 24 January 2008]: The Certification Office does not have a recognition agreement with a trade union. However, Certification Office staff are all Advisory, Conciliation and Arbitration Service staff provided to the Certification Officer by ACAS. ACAS has a recognition agreement with the Public and Commercial Services and the PDA.