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Description
As a regular user on the fairprice website, you can't change your postal code if you entered the wrong one. UX is broken for users, pls fix ntuc.
Spoiler: the address is serviceable from another IP.
They are using Incapsula to block repeat requests, but their bot detection is not good :(
From the tracker viewpoint:
You get 1 shot to check postcode, then must wait x amount of time.