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Frequently Asked Questions

Find FAQs about Exit Permits, NS registration, deferment for studies, medical and enlistment matters here.

Last updated 24 July 2025

Exit Permit

What if there is a change in the departure date, place of study, course or institution that I am studying at after my Exit Permit and/or bond is approved?

National Service (NS) registration

How do I register for a Singpass so that I can access the eServices on OneNS?
Can I walk in to CMPB for NS registration during the registration period?
I am unable to complete my NS registration before the deadline, can I request for an extension?
I am currently repeating my first year of Junior College (JC) and have received an NS registration letter. Do I still need to attend medical screening first before applying for deferment?
Can I book a medical screening appointment date that is nearer to my course completion date?
What do I do if I do not have a Singpass?

Deferment for studies

Can I defer enlistment if I have to repeat my studies?
What happens if I change my course of study or school?

Medical

How many medical reviews would I need to attend?
When will I know my Physical Employment Standard (PES) after the medical screening?
What does my PES mean?
I have been assigned a temporary PES for three or six months. How will this affect me?
I have been assigned a definitive PES for enlistment. What should I do if I would like a review of my PES?
I am graded PES BP. What should I do if I have lost a significant amount of weight before my enlistment?
How does my PES influence my type of basic training?
What if I have medical conditions before the medical screening?
I am graded PES D and/or require further medical reviews. What happens now?
I am living overseas and unable to attend the scheduled medical reviews. What do I do?
What if I developed new medical conditions or have changes to my existing medical conditions after the medical screening and before my enlistment?
Will my enlistment be affected if I went for LASIK or Refractive Surgery before my enlistment date?
How will I be informed if CMPB reschedules my appointment?
What should I do if my appointment has been rescheduled?

Enlistment

When will I know my enlistment date?
Can I change my enlistment date?
Can I change the uniformed Service or unit of my enlistment?
Can I go overseas before my enlistment date is due?