The Scottish Ministers may, for the purposes of—
(a)giving practical guidance on matters relating to inspections under section 9 of this Act (including, without prejudice to that generality, such matters as the making and publishing of reports on the matters reviewed); and
(b)promoting what appear to them to be desirable practices with respect to those matters,
from time to time prepare, approve and issue such codes of practice as in their opinion are suitable for those purposes.