原文如下：

Flat owners and occupiers are allowed to invest in private properties (both local and overseas). However, they must meet certain eligibility conditions:

For flats bought directly from HDB (including flats bought from the open market with CPF Housing Grant)
The flat owners must satisfy the required occupation period for the flat before acquiring the private property. （要住够了时间才可以买Condo）
Flat owners and occupiers who have fulfilled the required occupation periods for their flats do not need to seek HDB's prior written consent before acquiring the private properties.
The flat owners must continue to stay in the HDB flat after acquiring the private property. However, exception is made for those who have obtained prior approval from HDB to sublet the flat under the Subletting of Flat policy.（但买了以后还是要住在组屋）

For Flats bought from the open market without CPF Housing Grant
There is no need to satisfy the required occupation period for the flat before acquiring the private property. However, the flat owners must continue to stay in the HDB flat after acquiring the private property. Exception is made for those who have obtained prior approval from HDB to sublet the flat under the Subletting of Flat policy. （随时可以买，不过要继续住在组屋，除非向HDB申请出租组屋）