Hi Tminh,
Like what Jonathan had mentioned, there will be restrictions but HDB may consider granting exemption to exceptional cases based on the merits of each case. If you wish to seek exemption to buy a flat direct from HDB, you have to complete the property questionnaire from the link below and submit it to HDB.
http://www.hdb.gov.sg/isoa072p.nsf/PC66VByFormID/EAPF00006
Regards,
YT Tan
ECG Property
9111 5171 yt.lovelyhomes@gmail.com
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