7—Commission not to be bound by rules as to procedure or evidence
The commission, in the exercise of any of their functions or powers, shall not
be bound by the rules or practice of any court or tribunal as to procedure or
evidence, but may conduct their proceedings and inform their minds on any
matter in such manner as they think proper; and, without limiting in any way
the operation of this section, the commission may refer any technical matter
to an expert and may accept his report as evidence.