An unattended donation box shall be deemed abandoned if it is removed pursuant to subsection 30-48.9 above, and unclaimed for 30 continuous calendar days from the date of notification of removal. Unattended donation boxes deemed abandoned may be disposed of pursuant to law. The City may dispose of an unattended donation box and shall not be responsible for any unattended donation box, including its contents, deemed abandoned for 30 continuous calendar days.