HDB BTO CEILING - IF EXCEED

Hi, I need some help.

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Currently we are waiting for appointment for the BTO launch and it is likely we will be able to get a unit with our queue number.

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My bf and I currently the salary combined is not hitting the ceiling yet - 14k. But I am afraid after the HDB is built in 4 years time, then what if our salary ceiling hit over the ceiling? Will HDB take back and not release keys to us?