Final answer:
If an Unofficial Notice references offensive material, the appropriate action is to report it to the authorities and not ignore, take it down, or confront the person who posted it.
Step-by-step explanation:
If any member of the Department determines that an Unofficial Notice references a website or poster that contains offensive material, the appropriate action to take would be to report the offensive material to the appropriate authorities. This ensures that the offensive content is addressed and handled by those who have the authority to investigate and take further action if necessary. Ignoring the offensive material would not be an appropriate response, as it may perpetuate harm or allow the offensive material to continue unchecked. Taking down the Unofficial Notice alone may not effectively address the issue if the offensive material remains accessible on other platforms. Confronting the person who posted the Unofficial Notice may not be the most appropriate action for a member of the Department to take, as handling such matters should be left to the appropriate authorities.