No person shall:
A. Engage in any commercial activity, use amplified sound, or possess, drink or sell alcoholic beverages in any building except under the terms of a building use permit, or a lease or concession contract issued under Chapter 3.68 or 3.72 which allows for such activity;
B. Use, attempt to use, or interfere with the use of any building or portion thereof which at the time is reserved by permit for the exclusive use of any other person or group; or
C. Smoke in any building or portion thereof. (Ord. 2012-042 § 5)