There is absolutely no public document for a certain "HDB accrued fascination 90 27." This is likely an inner reference amount or deal with. Accrued interest is really a crucial ingredient of HDB flat possession, especially for proprietors who used their CPF Everyday Account (OA) to finance their residence. If you promote your HDB flat, you have to refund the principal amount of CPF employed for the downpayment, grants, and month to month installments, together with the accrued curiosity, again into your CPF account. This interest is the amount your CPF savings might have acquired if they had remained within your OA, calculated within the prevailing CPF OA interest fee (now 2.5% per annum) and compounded yearly. The refund is obligatory, and It is really deducted in get more info the product sales proceeds. You may Look at the precise amount of CPF utilized and accrued interest around the CPF Web site's "House Ownership" dashboard by logging in together with your Singpass.