For the purposes of section 21O(d) of the Act, in any proceedings under
the Act, a document produced by the prosecution purporting to be signed by the
Commissioner and purporting to certify—
(a) that
at a specified time, a specified person was or was not the subject of an
approval under section 21B(1) of the Act and the conditions or
limitations to which that approval was subject; or
(b) that
at a specified time, a specified person was or was not declared to be exempt
from section 21F(1) of the Act in specified circumstances; or
(c) that
at a specified time, a weapons prohibition order applied to or did not apply
to, or was or was not in force against, a specified person; or
(d) that
at a specified time, a specified laser pointer was tested and shown by the
test to be capable of emitting a laser beam with an accessible emission level
greater than 1 milliwatt,
constitutes, in the absence of proof to the contrary, proof of the matters so
certified.