As an employer, you’ll need to pay CPF contributions on wages payable to your employees.
Wages are defined as remuneration in money, including any bonus that is due or granted to a person in respect of his employment.
Here are some examples of pay items that are considered wages:
Basic Pay
OT Payment
Bonus
Allowance
Commission
Incentive Allowance (cash payment)
Below are some examples of payments that are not considered wages:
Termination Benefits (i.e. retrenchment benefit)
Benefits In Kind (i.e. non-cash benefit or gift given to the employee)
Reimbursements (i.e. transportation claims)
For more other examples that attract CPF contributions, you can refer to this CPF guide.