10 Investigating officer’s report
1 At the end of his investigation the investigating officer shall as soon as practicable submit a written report on the case—
(a) if the case concerns a senior officer, to the appropriate authority;
(b) in any other case, to the supervising officer; and
(c) if the Commission is managing or supervising the investigation, to the Commission.
2 If at any time during his investigation it appears to the investigating officer that the case is one in respect of which the conditions specified in Part 1 of Schedule 2 are likely to be satisfied, he shall, whether or not the investigation is at an end, submit to the appropriate authority (in the case of a senior officer) or supervising officer (in any other case)—
(a) a statement of his belief that the case may be one to which regulation 45 applies and the grounds for that belief; and
(b) a written report on the case so far as it has then been investigated.