Qualifying Debt Securities (QDS) Scheme Singapore

The Tax Break Behind Why SGS, T-Bills, and Corporate Bonds Pay You More Than You’d Expect After Tax

The Qualifying Debt Securities (QDS) scheme is a Singapore tax incentive that exempts individuals from tax on interest and other qualifying income earned from eligible bonds, and gives companies and financial institutions a reduced 10% concessionary tax rate instead of the standard 17% corporate rate, provided the debt securities meet MAS-prescribed conditions on issuance and arrangement.

Not financial advice. All figures for educational reference only. Data as at September 2026. Last updated: September 2026.

Key Takeaways

• Individual investors who are not carrying on a business of trading in debt securities pay zero Singapore tax on qualifying interest income from Singapore Government Securities, MAS Bills, MAS Floating Rate Notes, and other eligible QDS instruments.
• Companies and other entities earning QDS interest income are taxed at a concessionary 10% rate instead of the prevailing 17% corporate income tax rate, and can qualify for full exemption under the enhanced QDS+ tier if additional conditions are met.
• The scheme’s sunset clause has been extended to 31 December 2028, meaning debt securities issued up to that date can still qualify, based on Singapore’s 2023 Budget announcement.
• Qualifying income under QDS covers interest, discount income, prepayment fees, redemption premiums, and break costs, not just coupon payments.
• A bond only qualifies as a QDS if it is substantially arranged in Singapore by a financial institution holding the relevant MAS licence, so not every SGX-listed or Singapore-dollar-denominated bond automatically qualifies.

Table of Contents

What Is the QDS Scheme?

Singapore does not tax capital gains, but interest income earned by individuals and companies is generally taxable unless a specific exemption applies. The QDS scheme is one of the oldest and most important of those exemptions in the bond market, and it exists because Singapore wants to be an attractive base for debt issuance and bond trading. Without QDS, an investor holding, say, a corporate bond or a batch of Singapore Government Securities would in principle owe income tax on the coupons received. QDS status changes that calculus by exempting individual investors entirely (as long as they are not in the business of dealing in securities) and by cutting the tax rate that companies and financial institutions pay on the same income from 17% down to 10%, with a further path to full exemption under the QDS+ enhancement for larger, longer-tenor issuances that meet extra conditions such as a minimum issue size and tenor. This is why Singapore Savings Bonds, T-bills, and most SGX-listed retail and corporate bonds are marketed with an implicit assumption that individual holders will not be taxed on the interest, and why institutional investors weigh the QDS status of a bond as part of their yield calculation before buying.

How Does It Work in Singapore?

For a bond issued in Singapore to carry QDS status, it generally has to satisfy conditions set out in the Income Tax (Qualifying Debt Securities) Regulations, including that the issue is substantially arranged in Singapore by a financial institution holding a relevant Capital Markets Services licence or exemption, and that the issuer lodges the required information with MAS. Once granted, QDS status attaches to the specific issuance rather than to the issuer generally, which is why prospectuses and pricing supplements for SGX-listed bonds explicitly state whether the issue qualifies.

The scheme has a sunset clause, meaning only debt securities issued before a specified cut-off date can be granted QDS status. Singapore’s 2023 Budget extended this cut-off to 31 December 2028, and as at the 2026 Budget the scheme remains active for both issuers and investors, so bonds issued through the rest of this decade can still be structured to qualify.

Government-issued instruments such as Singapore Government Securities (SGS), MAS Bills (T-bills), and MAS Floating Rate Notes are treated as QDS by default, which is one reason these instruments are so heavily marketed to individual Singapore savers: the headline yield an individual sees quoted is, in practice, close to the after-tax return they will actually receive.

the QDS Scheme Example

An individual Singapore investor holds S$50,000 in a 6-month T-bill yielding 2.75% per annum at the most recent auction. Because MAS Bills carry QDS status and the investor is not trading securities as a business, the roughly S$688 in interest earned over the six months is not subject to Singapore income tax at all. Compare that to a company treasury holding the same T-bill: the QDS scheme still applies, but as a company it is taxed on the interest income at the concessionary 10% QDS rate rather than the standard 17% corporate rate, unless the specific issuance also qualifies for the enhanced QDS+ full exemption.

Advantages

• Zero tax for individual retail bond and T-bill investors. The most direct benefit: an individual buying SGS, T-bills, Singapore Savings Bonds, or most SGX-listed retail bonds does not need to declare or pay tax on the interest, which materially simplifies retail fixed income investing in Singapore.
• Cuts the effective tax rate for corporate and institutional holders. The 10% concessionary rate on QDS interest income, versus the 17% standard corporate rate, is a meaningful reduction for treasuries, funds, and financial institutions holding large bond portfolios.
• Deepens Singapore’s bond market. By making Singapore-arranged debt issuance more tax-efficient than issuing elsewhere, QDS is a key reason global and regional issuers choose to list bonds on SGX and route arrangement work through Singapore-licensed banks.
• Long sunset horizon gives certainty. The extension of the scheme’s cut-off to 31 December 2028 gives issuers and investors a multi-year runway to plan bond issuances and portfolio allocations around the current tax treatment.

Risks and Limitations

• Not every bond automatically qualifies. A bond has to be substantially arranged in Singapore by an appropriately licensed financial institution and meet MAS’s specific conditions; an offshore bond bought through a foreign broker, or one arranged outside Singapore, may not carry QDS status even if it is Singapore-dollar-denominated.
• The exemption for individuals has conditions. The individual exemption does not apply to a person carrying on a trade or business of dealing in debt securities; someone who is effectively a professional bond trader may not qualify for the same blanket exemption as an ordinary retail saver.
• Sunset clause creates a cut-off date risk. Bonds issued after 31 December 2028, absent a further extension, would not be eligible for QDS status under current rules, which is a factor for anyone planning very long-dated bond strategies.
• QDS status does not remove other investment risks. The tax exemption changes what an investor keeps after tax; it does nothing to reduce credit risk, interest rate risk, or liquidity risk on the underlying bond itself.

QDS Tax Treatment vs Non-QDS Debt Securities

The table below contrasts how interest income is taxed depending on whether a debt security carries QDS status.

The Bottom Line

For Singapore investors, the QDS scheme is the quiet mechanism that makes government securities, T-bills, and most locally arranged bonds meaningfully more tax-efficient than they would otherwise be. Understanding whether a specific bond carries QDS status, and knowing the scheme now runs through end-2028, helps an investor compare the true after-tax yield across different fixed income instruments rather than just looking at the headline coupon.

Frequently Asked Questions

Related Terms

• Singapore Savings Bond (SSB)
• Bond Coupon Rate: What It Means for Singapore Savings Bonds, T-Bills and Corporate Bonds
• Non-Competitive Bid vs Competitive Bid (T-Bill/SGS Auction) Singapore
• Fund Domicile Withholding Tax Impact Singapore