631. Application that costs of specified proceedings are not to be regarded as relevant costs.

A tenant1 may make an application for an order that all or any of the costs incurred, or to be incurred, by the landlord2:

  1.  

    (1)     in connection with proceedings:

    1.  

      (a)     before a court;

    2.  

      (b)     before a residential property tribunal3, or leasehold valuation tribunal4; or

    3.  

      (c)     before the First-tier Tribunal or the Upper Tribunal5; or

  2.  

    (2)     in connection with arbitration proceedings,

are not to be regarded as relevant costs6 to be taken into account in determining the amount of any service charge7 payable by the tenant or any other person or persons specified in the application8. The application must be made: