(a) such amount, by way of fees and expenses, as is
agreed between the adjudicator and the parties to the adjudication, or
(b) if
no such amount is agreed, such amount, by way of fees and expenses, as is
reasonable having regard to the work done and expenses incurred by the
adjudicator.
(3) The claimant and respondent
are each liable to contribute to the payment of the adjudicator's fees and
expenses in equal proportions or in such proportions as the adjudicator may
determine.
(4) An adjudicator is not entitled to be paid any fees or expenses
in connection with the adjudication of an adjudication application if he or
she fails to make a decision on the application (otherwise than because the
application is withdrawn or the dispute between the claimant and respondent is
resolved) within the time allowed by section 21(3).
(5) Subsection (4) does
not apply--
(a) in circumstances in which an adjudicator refuses to
communicate his or her decision on an adjudication application until his or
her fees and expenses are paid, or
(b) in such other circumstances as may be
prescribed by the regulations for the purposes of this section.