350 N State Street, Suite 220. Salt Lake City, UT 84114.Requests filled out for the drop box are generally received and begin the process for authentication within one business day. Mailing and Physical Address:. Surplus Office Specialist. You will need forms for the various permits that are required. Keep in mind, filling out these worksheets and forms is NOT equivalent to applying for a permit. Salt Lake City, UT 84111. EXIM - Aircraft Loan Agreement. Apply to Executive Director, Development Director, Program Director and more!