Outbound calls from the CPF Board have also been consolidated into a single number. SINGAPORE: Central Provident Fund (CPF) members making an online nomination will have to use their biometrics from May as part of additional security measures, the CPF Board said on Tuesday (May 20). The measures are on top of existing anti-scam measures, including the CPF Withdrawal Lock and a 12-hour cooling period for increases to the daily withdrawal limit for online withdrawals. The CPF Board also announced