SAF 100 is the "Order to Report for National Service", an official document issued by MINDEF under the Enlistment Act. A SAF 100 is served for the purpose of notifying NSmen of their NS call-ups. This includes (but is not limited to) notifications for:

1. Annual ICT

2. Meeting

3. HSP Panel

4. Briefing

5. SAF Day Parade

6. Seminar

You will be notified of the call-up via SMS or email.

You are required to acknowledge the call-up via MINDEF notification channels, or ICT and Manning e-service on OneNS. If the call-up is not acknowledged within 10 days of the call-up notification, a hard copy of the call-up notice will be sent to your registered address via registered mail.