The Chief Commissioner must—
(a) ensure that records are kept as prescribed on any prescribed matter; and
(b) ensure that a register is kept as prescribed of the prescribed matters in relation to all documents or other things retained under section 47 and that the register is available for inspection by the Special Investigations Monitor; and
(c) report in writing to the Special Investigations Monitor every 6 months on such matters as are prescribed and on any other matter that the Special Investigations Monitor considers appropriate for inclusion in the report.