A. It is unlawful for any person under the age of eighteen (18) years to possess any crossbow, longbow or any weapon commonly known as a BB gun or pellet gun within the City.
B. The prohibitions set forth in Section 9.05.020.A. shall not apply to the following:
1. Persons under the age of eighteen (18) years who are closely supervised by an adult and the owner of the property where such activity occurs has given prior permission for such activity;
2. Persons under the age of eighteen (18) years who have in their possession written permission from a parent or legal guardian to possess a crossbow, longbow, BB gun or pellet gun for a specified purpose and specified period of time.