The General Rules of Conduct have now been updated to include the following:
22 Rental property advertisements and negotiations
(1) An agent must not advertise a residential property for rent unless the advertisement specifies the fixed rent payable for the property.
(2) Subsection (1) does not apply to the following
(a) an advertisement published before 17 December 2022,
(b) a residential property that is currently available to rent, if the first advertisement for the current availability was published before 17 December 2022,
(c) a sign on or near premises advertising that the premises are available for rent.
(3) An agent must not solicit or invite a person to offer to pay an amount of fixed rent for a residential property that is higher than the amount specified in a current advertisement by the agent for the property.
This means that there are now 22 General Rules of Conduct.
The rules of conduct can be accessed here