84. Members who advertise their fees must
(1) establish rates;
(2) specify the nature and extent of the professional services included in the fees;
(3) indicate whether taxes or costs are included in the fees; and
(4) indicate whether additional services which are not included in the fees might be required.
The fees are to remain in effect for a minimum of 90 days after the date they were last broadcast or published.
Members may, however, agree with the client on rates lower than those broadcast or published.