(1) Subject to subsection 33 (3) of the Act and subsection (2), a registrant shall not charge or collect a commission or other remuneration in respect of a trade in real estate unless,
(a) the entitlement to the commission or other remuneration arises under a written agreement that is signed by or on behalf of the person who is required to pay the commission or other remuneration; or
(b) the entitlement to the commission or other remuneration arises under an agreement that is not referred to in clause (a) and,
(i) the registrant has conveyed an offer in writing that is accepted, or
(ii) the registrant,
(A) shows the property to the buyer, or
(B) introduces the buyer and the seller to one another for the purpose of discussing the proposed acquisition or disposition of an interest in real estate. O. Reg. 567/05, s. 23 (1).