(1) Unless otherwise agreed to in writing, a principal does not have knowledge or notice of any facts known by an agent or subagent of the principal that are not actually known by the principal.

(2) Unless otherwise agreed to in writing, a licensee does not have knowledge or notice of any facts known by a subagent that are not actually known by the licensee. This subsection does not limit the knowledge imputed to a real estate broker of any facts known by an associate real estate broker or real estate salesperson licensed to such broker.