469. Duties of auditor
(1) A company's auditor, in preparing his report, must carry out such investigations as will enable him to form an opinion as to—
(a) whether adequate accounting records have been kept by the company and returns adequate for their audit have been received from branches not visited by him, and
(b) whether the company's individual accounts are in agreement with the accounting records and returns.
(2) If the auditor is of the opinion—
(a) that adequate accounting records have not been kept, or that returns adequate for their audit have not been received from branches not visited by him, or
(b) that the company's individual accounts are not in agreement with the accounting records and returns,
the auditor shall state that fact in his report.
(3) If the auditor fails to obtain all the information and explanations which, to the best of his knowledge and belief, are necessary for the purposes of his audit, he shall state that fact in his report.
(a) the requirements of rules made by the Board under section 397 (information about directors' benefits: remuneration, pensions, end-of-service gratuity payments and compensation for loss of office) are not complied with in the annual accounts,
(b) the auditor must include in his report, so far as he is reasonably able to do so, a statement giving the required particulars.
(5) If the directors of the company—
(a) have prepared accounts in accordance with the small companies regime, or
(b) have taken advantage of small companies exemption in preparing the directors' report,
and in the auditor's opinion they were not entitled to do so, the auditor shall state that fact in his report.