Diary of proceedings in investigation
19.—(1)  A police officer conducting any investigation under this Part must keep a daily diary of his progress, setting out —
(a)the time at which any order for investigation reached him;
(b)the times at which he began and closed his investigation;
(c)the places he visited; and
(d)the findings of his investigation.
(2)  Notwithstanding anything in the Evidence Act (Cap. 97), an accused is not entitled to call for or inspect such a diary before or during an inquiry, a trial or other proceeding under this Code.
(3)  Where, for the purposes of section 161 or 162 of the Evidence Act, the police officer conducting the investigation refers to such a diary, then —
(a)the accused may be shown only the entries in the diary that the officer or prosecutor has referred to; and
(b)the prosecutor must conceal or obliterate any other entries.