The Rules of the Supreme Court (Northern Ireland) (Revision) 1980

Items to be authorised, certified, etc.

4.—(1) In an action arising out of an accident on land due to a collision or apprehended collision, the costs of preparing a plan (other than a sketch plan) of the place where the accident happened shall not be allowed unless the Taxing Master is satisfied that it was reasonable to prepare the plan for use at the trial.

(2) The costs of calling an expert witness with regard to any question as to which a scientific adviser is appointed under Order 104, rule 11, shall not be allowed on a taxation of costs in relation to which rule 27(2) or (3) has effect unless the Court at the trial has certified that the calling of the witness was reasonable.

(3) If any action or counterclaim for the infringement of a patent or any petition for revocation of a patent under section 32 of the Patents Act 1949 or any counterclaim for the revocation of a patent under section 61 of that Act, proceeds to trial, no costs shall be allowed to the parties serving any particulars of breaches or particulars of objection in respect of any issues raised in those particulars and relating to that patent except in so far as those issues or particulars have been certified by the Court to have been proven or to have been reasonable and proper.