Yes, if you are eligible for both schemes, you can top up in cash to your Retirement / Special Account to qualify for the matching grant under the Matched Retirement Savings Scheme (MRSS) of up to $2,000 per year, as well as to your MediSave Account to qualify for the matching grant under the Matched MediSave Scheme (MMSS) of up to $1,000 per year. You can top up to these accounts, anytime throughout the year.