There isn't a community record for a particular "HDB accrued fascination ninety 27." This is probably going an internal reference amount or tackle. Accrued fascination is usually a critical component of HDB flat ownership, specifically for entrepreneurs who used their CPF Normal Account (OA) to finance their property. Whenever you sell your HDB flat, you have to refund the principal quantity of CPF read more used for the downpayment, grants, and monthly installments, together with the accrued curiosity, again into your CPF account. This fascination is the amount your CPF discounts would have gained if they had remained in the OA, calculated on the prevailing CPF OA desire charge (now 2.5% for every annum) and compounded annually. The refund is necessary, and It can be deducted in the income proceeds. You can Examine the precise number of CPF used and accrued interest within the CPF Internet site's "Household Possession" dashboard by logging in with all your Singpass.