Section 159.   Power of Magistrate to furnish written instructions, etc.

(1) Where the Magistrate directs a local investigation by any person under
section 158, the Magistrate may—
(a) furnish such person with such written instructions as may seem necessary
for his guidance;
(b) declare by whom the whole or any part of the necessary expenses of the
local investigation shall be paid.
(2) The report of such person may be read as evidence in the case.
(3) Where the Magistrate summons and examines an expert under section 158, the
Magistrate may direct by whom the costs of such summoning and examination shall be
paid.