(1) This rule applies if the parties do not agree that the costs assessment be carried out by a particular costs assessor.
(2) A party may either—(a) apply to the registrar for appointment by the registrar of a costs assessor for the costs assessment; or(b) apply to the court for directions.
(3) If an application is made under subrule (2) (a) , the registrar may order the appointment of a particular costs assessor to carry out the costs assessment.