Hi jitshiong, saw your reply to another member in previous thread as shown below:
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QUOTE(reengurl @ Apr 23 2013, 10:26 AM)
Noob question here, if I entered SG with the white card & now in the process of getting my pass I can still exit SG with passport and re-enter right?
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yes, if u haven't get EP, means u r just like other tourist coming into Singapore. As long as u dun overstay, should be no problem.
Now I have the same noob question

, I got the IPA letter and all relevant documents (med report and etc) in order, however, I had been informed by my future admin/ HR colleague that they need my white card a.k.a. IMM27 number to further proceed their online application (EP Online) for my spass.
Would like to know if I could enter Singapore with white card X and give them the X No., leave SG immediately; or I would need to stay in SG with the white card X until they finish processing my application?
Preferably the former as I need to work in weekdays, possible? Thank you.

you submit your white card and mention that you will be going back malaysia while they process. at the immigration when you want to go out just bring your application documents then they will scan when you go out and scan again when you go in. I even photostat the white card just in case any problem.