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At the beginning of the school year, during rush/orientation up until the activities midway, the ASA limits how student groups may recruit new students. This may interact with early postering you want to do. Check the official ASA rules or ask them for clarification to be sure.
Infinite Display
We can also get free postering on Infinite Display, the large flat screen displays in the Student Center and Stata Center, and for nominal cost, posts on the displays in the infinite corridor as well. We should at least do as much as we can get for free (3 days per semester in the Student and Stata Centers), and possibly more.