After listing a property, a licensee learns that the property was used for beer production during Prohibition, as a group home in 2010, for illegal drug sales in 2012, and as a homeless shelter in 2014. The licensee is under an obligation to

Canceling the listing is unnecessary as there is no legal requirement to do so based on the historical uses of the property. The licensee can continue to market the property unless there are current issues that affect its marketability or legality.

Disclosing only the last use of the property does not fulfill the licensee's obligations, as there is no requirement to disclose past uses unless they directly impact the current condition or value of the property. The focus should be on material facts relevant to potential buyers.

While it might seem prudent to disclose all prior uses, the licensee is not legally obligated to disclose historical uses unless they have a direct impact on the property's current status. The past occurrences, such as use during Prohibition or as a group home, do not necessarily reflect on the property's current condition.