(1) A costs assessor is to cause a copy of an application for a costs assessment to be given to any law practice or client concerned, a third party payer or any other person whom the costs assessor thinks it appropriate to notify.(2) A person who is notified by the costs assessor under subsection (1) (a) is taken to be a party to the assessment; and(b) is entitled to participate in the costs assessment process; and(c) if the costs assessor so determines, is bound by the assessment.