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What is CPF Submission Number (CSN)?

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Source: https://www.cpf.gov.sg/member

CPF Submission Number (CSN) is a unique identifier used by employers to transact with CPF Board. This includes making CPF payments and making any request relating to employer matters.

A CSN consists of an Unique Entity Number (UEN) or NRIC/FIN (if you’re trading under your own name) and a CPF Payment Code.

You will need to apply for a different CSN for each type of payment you are making. Some examples include mandatory CPF contributions, voluntary contributions, MediSave contributions under the Additional MediSave Contribution Scheme.

This information provided here is sourced from the CPF website.


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