You may
request a hospital specialist to write you a memo to be fit enough
for PES E for a clerical vocation in NS, that is an office clerk,
officially known as Administrative Support
Assistant.
Completion of NS will
be given a Certificate of Service (COS) to show a potential work
employer during job interview.
As usual, please refer to this guideline:
http://sgforums.com/forums/1390/topics/392446