There isn't any general public history for a selected "HDB accrued fascination 90 27." This is likely an interior reference selection or handle. Accrued fascination can be a vital component of HDB flat possession, specifically for homeowners who utilized their CPF Ordinary Account (OA) to finance their assets. Any time you market your HDB flat, you should refund the principal quantity of CPF used for the downpayment, grants, and every month installments, together with the accrued curiosity, back into your CPF account. This fascination is the amount your CPF savings would've attained if they had remained as part of your OA, calculated with the prevailing CPF OA interest level (at the moment 2.five% for each annum) and compounded annually. The refund is obligatory, and It is deducted from the sales proceeds. You may Examine the exact volume of CPF utilized and accrued desire within the CPF website's "Household Ownership" dashboard get more info by logging in with the Singpass.