(1)The liability of a legally assisted party under an order for costs made against him with respect to any proceedings shall not exceed the amount (if any) which is a reasonable one for him to pay having regard to all the circumstances, including the financial resources of all the parties and their conduct in connection with the dispute.
(2)Regulations shall make provision as to the court, tribunal or person by whom that amount is to be determined and the extent to which any determination of that amount is to be final.
(3)None of the following, namely, a legally assisted person’s dwelling house, clothes, household furniture and the tools and implements of his trade shall—
(a)be taken into account in assessing his financial resources for the purposes of this section, or
(b)be subject to execution or any corresponding process in any part of the United Kingdom to enforce the order,
except so far as regulations may prescribe.