Each Academic or Administrative Unit may establish rules regarding the posting of Signs in spaces that Academic or Administrative Unit occupies and controls, subject to the following requirements:
1. Signs in spaces occupied by Academic or Administrative Units may be:
a. Confined to bulletin boards or other designated locations.
b. Subject to viewpoint-neutral rules designed to facilitate fair and equal opportunities to post Signs, including … requirements that each Sign show the date it was posted and the name of the person or organization who posted it.