I. A licensee who provides services through a brokerage agreement for a seller, landlord, buyer, or tenant is bound by the duties of loyalty, obedience, disclosure, confidentiality, reasonable care, diligence, and accounting.
II. A licensee may be a seller agent, a buyer agent, a disclosed dual agent, or a subagent. If another relationship between the licensee who performs the services and the seller, landlord, buyer, or tenant is intended, it must be described in writing and signed by all parties to the relationship prior to services being rendered.