Final answer:
The affirmative duty not applicable to a real estate property manager is maintaining loyalty to tenants in a way that ensures the owner's policies do not unfairly impact them, as their primary responsibility is to the property owner.
Step-by-step explanation:
The question pertains to the duties of a real estate property manager or a real estate broker when acting in a property management capacity. An affirmative duty that is not applicable to property managers is a. Maintain loyalty to tenants ensuring that the property owner's policies do not unfairly impact the tenants.
The primary responsibility of a property manager or broker is to the property owner, not to the tenants. The other options, such as accounting for all funds received (option b), advising the owner to seek expert advice when beyond the manager's expertise (option c), and disclosing any conflicts of interest (option d), are all standard affirmative duties of a property manager.