Mx with your request and scanned documents. Acceptance of appointment.The applicant must also file a signed Acceptance of Appointment. You may request an appointment online for the following services. If our online tools do not provide the help you need, please call the USCIS Contact Center. Freshman applicants can upload their letters of recommendation through the Common App. Post Officeâ„¢. Share. In this guide, we'll walk you through the Global Entry interview process at SLC and provide valuable tips to ensure a smooth experience.