The Supplementary Retirement Scheme ("SRS") is a voluntary scheme that complements the CPF Scheme in Singapore. You contribute any amount to your SRS (subject to a cap which is currently at $15,300 per year). This contribution can be excluded from your taxable income for the year. In addition, when you withdraw the funds on or after your retirement age, you will also be able to avoid paying taxes on this amount. We explain this below in Q3.