Four small real estate firms formed a cooperative advertising group to share the high cost of larger display advertisements that would draw more attention to their listings. Calling their group 'Sell4U,' they began running a weekly half column. In addition to the names and numbers of all four firms, these advertisements must clearly state

While it may be beneficial for consumers to know which firm is responsible for each listing, this information is not a mandatory disclosure for the cooperative advertisement itself. The primary purpose of the advertisement is to promote the cooperative nature of the group rather than to detail individual listings.

Disclosure of the commission structure is not required in the cooperative advertisement. Each firm may have different commission rates, and this information is typically handled on a case-by-case basis between the firm and the client, rather than needing to be stated in the advertisement.

While informing consumers about the proper channels for complaints could be helpful, it is not a critical requirement for the advertisement. The primary focus should be on ensuring that the nature of the cooperative is made clear, rather than detailing complaint procedures.