8Certificate by responsible officer
(1)This section applies where—
(a)at the end of the applicable period, no statement of complaint has been given under section 7, or
(b)any matters complained of in a statement given under that section have been finally disposed of.
(2)If the representative or party applies to the responsible officer for a certificate of costs, the responsible officer must certify to him the amount of the costs.
(3)The certificate is to be treated for the purposes of any proceedings as conclusive evidence of—
(a)the matters to which the costs relate,
(b)the amount of costs allowed on the assessment,
(c)how much of that amount has, as at the date of the certificate, yet to be paid, and
(d)the amount of costs payable for carrying out the assessment.
(4)Subsection (5) applies where, in proceedings to recover costs certified under this section, the defendant says he is not liable to pay them (or part of them).
(5)The certificate is to be treated for the purposes of any proceedings as conclusive evidence only of such amount (if any) as the claimant may recover from the defendant as a result of the proceedings mentioned in subsection (4).