Residential Tenancies Act s. 66

(1) The Director or an authorized person who has reasonable
grounds to believe that a person has committed an offence under
this Act or the regulations may, after explaining to the person or to
the person's agent that the Director or authorized person wishes to
enter the person's business premises for the purposes of carrying
out an investigation, request permission to enter the business
premises.
(2) If a person permits the Director or authorized person to enter
business premises for the purposes of an investigation, the Director
or authorized person may, with the permission of the person,
inspect, examine and make copies of or temporarily remove books,
records, documents or other things that are relevant to determine if
an offence has been committed under this Act or the regulations.
(3) When the Director or authorized person removes any books,
records, documents or other things under subsection (2), the
Director or authorized person
(a) must give a receipt for them to the person from whom they
were taken,
(b) may make copies of, take photographs of or otherwise
record them,
(c) must, within a reasonable time, return anything that has
been copied to the person to whom the receipt was given,
and
(d) must return everything else that was removed to the person
to whom the receipt was given within a reasonable time
after the investigation and any prosecution resulting from
the investigation are concluded.

SS Houses with a Secondary Suite

66 Investigation