具体可以参见：
Q: What is the CPF Minimum Sum for married couples?
A: Although each member is required to set aside the CPF Minimum Sum, couples can, as a concession, jointly set aside one and a half times the CPF Minimum Sum. However, they must nominate each other as beneficiary for their CPF Minimum Sums.
To apply for a combined CPF Minimum Sum, couples may visit any CPF office with their identity cards and original marriage certificate.
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