Simplify Domestic Tax Compliance with Trusted Data from SIX
Local tax requirements are constantly evolving—and they have a direct impact on operational efficiency, advisory quality, and after-tax returns. With the domestic tax compliance services of SIX, financial institutions gain access to accurate, up-to-date, and integration-ready data. This makes tax reporting and regulatory compliance across multiple jurisdictions significantly simpler.
From portfolio planning to automated tax reporting, SIX provides the consistency and reliability you need to manage local tax complexity with confidence—without the stress.
Discover how we can help you optimize your tax processes and ensure compliance in your most important markets.
Contact Our ExpertsHassle-Free Local Tax Compliance with Reliable, up-to-Date Data
Stress-Free Compliance
Meet both local and international tax regulations with automation and precision.
Access to Critical Tax Fields
Gain access to all the tax and reference data you need for accurate reporting.
Taxable Income Insights
Our corporate actions database provides accurate income information for tax reporting.
About Our Domestic Tax Compliance Services
With SIX, you get national tax data designed for full legal compliance, efficient advisory, and operational excellence:
Country-Specific Tax Data
Reference Data for Instruments and Other Tax Attributes: Detailed information on income and capital gains classifications.
Multi-Asset Coverage: Access to consistent data for equities, bonds, funds, and structured products.
Specialized Country Packages: Austria, Belgium & Luxembourg, Canada, France, Italy, Spain, Switzerland and the UK.
Easy Integration, Tax Reporting & Suitability Checks
- Easy integration: Data integrates seamlessly with your workflows and suitability checks.
- Cross-Asset Classification: Includes reportable funds (e.g., KESt in Austria), digital assets, bond fund flag, and product-specific tax treatments.
- Income Classification: Coverage of exemptions such as France’s PEA scheme and other country-specific rules.
Regulatory Compliance
- Regular Updates: Continuous monitoring of regulatory changes.
- Advisory Support: Enhance tax guidance with reliable data.
- International Scalability: Designed for institutions with cross-border operations.
- Local Expertise: Teams with deep knowledge of domestic tax regulations.
- Accuracy and Coverage: Tax amount calculation and systematic mapping of compliance requirements.
Domestic Tax Data Packages
Capital Gains Tax
List of all capital gains tax reporting funds (KESt) in Austria. Reporting funds are those funds that have issued a timely annual notification or a declaration of intent pursuant to the Fund Reporting Regulation 2015.
Investment Fund Tax Qualification
Fund is subject to capital yields tax on interest
KESt-Meldefonds
Investment fund that is reporting capital gains tax (KESt) to Oesterreichische Kontrollbank (OeKB)
Withholding Tax AT/LIE
Bond income information.
Belgian Savings Tax
Belgian Savings Tax marker for funds.
Wealth Tax
Belgian Wealth Tax marker across asset classes.
TIS (Taxable Income per Share)
Belgian Taxable Income per Share for bond funds.
Asset Test Data
Belgian Asset Test Data including proportion of non-exempt distribution.
Capital Gains Tax & Marker for Funds Registered for Sale
Tax of 10% on capital gains realized on financial assets as of 1 January 2026, applicable to natural persona and non-commercial legal entities.
Tax RELIBI (retenue à la source libératoire)
In Luxembourg, a withholding tax of 20% applies to certain interest payments for Luxembourg resident private investors or certain types of partnerships. SIX will supplement debt instruments, subject to RELIBI Law, accordingly with the information that a withholding tax of 20% applies for Luxembourg.
Taxe d'abonnement
Tax of 0.05%, paid directly by the fund. European Long-Term Investment Funds (ELTIFs) and Pan-European Personal Pension Products (PEPPs) are exempt. A reduced subscription tax of 0.01% remains applicable to funds that benefitted from the reduced rate at the date of entry into force of the Law (grandfathering rule).
Belgian Tax on Stock Exchange Transactions (TOB)
The Belgian Tax on Stock Exchange Transactions (TOB) applies to the purchase and exchange of specific securities when at least one party resides in Belgium, or the transaction is carried out through a Belgian intermediary. The rates and scope depend on the type of instrument.
With the coverage offered by SIX, entities gain detailed knowledge of all instruments subject to TOB. Therefore, they can rely on an updated classification that meets the requirements of the Financial Services and Markets Authority of Belgium (FSMA).
Registered Retirement Savings Plan (RRSP)
An RRSP is a retirement savings plan that you establish, that the CRA registers, and to which you or your spouse or common-law partner contribute. Deductible RRSP contributions can be used to reduce your tax. Any income you earn in the RRSP is usually exempt from tax as long as the funds remain in the plan. You generally have to pay tax when you receive payments from the plan.
Tax-Free Savings Account (TFSA)
The Tax-free Savings Account (TFSA) is a registered savings account that functions like an investment account. It can hold cash savings and investments that generate tax-free income. Any contribution you make to your TFSA and any income you earn through interest, dividends or capital gains are generally tax-free, even when you make a withdrawal. However, unlike an RRSP, contributions you make to a TFSA are not tax deductible.
Dividend distribution for income trusts
Details of the dividend distribution for income trusts.
Dividend distribution for funds
Details of the dividend distribution for funds.
Dividend distribution for limited partnerships
Details of the dividend distribution for limited partnerships.
Withholding Tax
Canadian domestic law imposes a withholding tax at a rate of 25% on interest (other than most interest paid to arm's-length non-residents), dividends, rents, royalties, certain management and technical service fees, and similar payments made by a Canadian resident to a non-resident of Canada.
PEA (Plan d’Epargne en Actions)
The Equity Savings Plan (PEA) is a tax-privileged, long-term savings plan for taxpayers in France. Its cash dividends are exempt from income taxes. After five years without making a withdrawal, capital gains are also tax-free except for social security deductions.
PEA-PME (Plan d’Epargne en Actions destiné au financement des PME et ETI)
This is an Equity Savings Plan for long-term investments in small and medium-sized enterprises (SMEs) and so-called “entreprises de taille intermédiaire (ETI)“. Only physicals are liable if the net value of taxable assets is above the tax threshold: 1.3 million euros on January 1 of the tax year.
PERI (Plan d’Epargne Retraite Individuel)
The Individual Pension Plan aims to regroup and replace former pension savings schemes into one overall Retirement Savings Plan scheme. Subscriptions can only be done on an individual and voluntary basis. The sums invested in a retirement savings plan are deductible up to a limit (at the option of the holder). If choose, capital portion is taxed at the end (income tax). At the time of retirement, possibility to convert into an annuity or receive a capital sum with different tax implications. In general, the single flat rate withholding tax ("Prélèvement Forfaitaire Unique", PFU), at a rate of 30%, on the capital gains (or optionally on income tax).
Capital Gains Tax
Tax for investors with tax liability in France, varies depending on the instrument class.
Redemption Premium Tax for bonds (Prime de remboursement des obligations)
For investors with tax liability in France, the redemption premium tax is payable on the difference between the purchase price and redemption price of a bond at maturity. This tax cannot be shown as a standard value because it varies from investor to investor.
Tax information for payments
SIX delivers information on tax categories and tax rates for persons with tax liability in France. The service provides information for cash dividends and interest payments according to the different conventions for the avoidance of double taxation between France and other countries.
IFI (l’impôt sur la fortune immobilière)
This is a tax on real-estate and real estate investments that applies to both domiciled and non-domiciled investors in France. Only physicals are liable if the net value of the taxable assets is above the tax threshold: 1.3 million Euros on January 1 of the tax year.
Withholding Tax
A 26% base standard withholding tax (WHT) rate applies on the yields on loans and securities (bonds, shares, etc.) paid by Italian resident entities to Italian resident investors.
Harmonized Fund Taxation Classifications
Under the Italian tax law, profits deriving from Italian, EU and EEA mutual funds are generally subject to a 26% Withholding tax (WHT) rate, exception done for the IRRP (Italian Reduced Rate Percentage) indicator.
Italian Reduced Rate Percentage (IRRP)
Fund classification indicating 0% taxation on fund distribution.
Capital Gains Tax
Tax of 26% on capital gains realized on financial assets, with a reduced rate of 12.5% for certain government bonds. include certain certain Italian investment funds, and dividends received in cash form.
Withholding Tax
For non-resident entities not acting through a permanent establishment, the NRIT Act imposes a withholding tax of 19% / 24% (although this rate may vary on certain type of income) on all Spanish sourced incomes paid to non-resident entities and individuals.
Traspasos Funds
Traspasos is a tax deferral scheme for Spanish fiscal residents, allowing investors to take advantage of a switch between funds without incurring capital gains tax if both funds (local and international) are registered and have "Traspasos" status.
Capital Gains
In Spain, the capital gains tax is levied on the profit realized from the sale or transfer of assets, such as real estate, stocks, or other investments.
Intérêt Unique Prédominant (IUP) Bonds
Bonds with "intérêt unique prédominant" (IUP), meaning predominantly one-time interest, where the main return comes from the difference between a low purchase price and a higher redemption value, like Zero-Coupon Bonds, are taxed differently from regular coupon bonds.
Intérêt Unique Prédominant (IUP) Structured Products
In Switzerland, structured products that are predominantly once-off interest-bearing "intérêt unique prédominant" (IUP) are taxed differently from those that are not IUP.
Swiss Tax Reporting Fund
Funds in Switzerland need to publish certain data (income, value) on the SFTA list for tax returns, enabling tax exemptions on capital gains and partial dividends; non-reporting leads to unfavorable tax treatment.
AFFIDAVIT
A bank’s confirmation that the relevant units or shares are held in the custody account of an investor domiciled outside Switzerland and that all income distributions are credited to that investor’s account. With such an affidavit, Swiss investment funds earning over 80% of their income from foreign sources may distribute income to foreign‑domiciled investors without Swiss withholding tax.
Stamp Duty
When you buy shares, you usually pay a tax or duty of 0.5% on the transaction. If you buy shares electronically, you'll pay Stamp Duty Reserve Tax (SDRT).
UK PTM (Panel of Takeovers and Mergers) Levy
The PTM levy is a charge that applies when you buy or sell £10,000 or more of shares on the UK stock market.
Ireland PTM (Panel of Takeovers and Mergers) Levy
The PTM levy is a charge that applies when you buy or sell €12,500 or more of shares on the Irish stock market.
ITP Levy Ireland
€1.25 flat rate charge on Irish equity buys and sells where the trade value is more than €12,500.
Authorized Reporting Funds
UK individual investors in non-UK funds (offshore funds) are taxable on their investment gains in two contrasting ways, at rates of either 20% or 45%. The lower tax rate is only available to individual investors in funds which have elected into the UK’s tax reporting regime, known as UK reporting fund status (UK RFS). Institutional investors, including funds of funds, can also benefit when a fund has reporting fund status.
Capital Gains Tax
Tax for investors with tax liability in UK varies depending on the instrument class.
QCB (Qualifying Corporate Bond)
Qualifying corporate bonds are normal commercial loans that are expressed and redeemable in sterling and that hold no right to conversion into shares or securities. QCBs are Capital Gains Tax (CGT) exempt assets.
DDS (Deeply Discounted Securities)
These are government securities, commercial bonds and loan stock where the amount payable on maturity, or any other occasion when the security can be redeemed will or may exceed the issue price by more than 0.5% for each year in the redemption period, up to a maximum of 30 years. Where certain conditions apply, the tax rules ensure that gains on such securities are taxed as income, rather than as capital gains.
UK Situs
For certain types of investors in particular, the information on the location of a financial instrument, the so-called UK Situs, is a decisive element for assessing the tax consequences under British tax legislation. The new marker indicates whether the financial instrument in question can be considered a UK asset for tax reasons. The classification is determined and derived by a rule set for equities, bonds, funds and structured products.
EIS (Excluded Indexed Securites)
An excluded indexed security is one where the amount payable to discharge the debt on redemption is calculated by applying the percentage change over the redemption period in the value of ‘chargeable assets’, or an index of those assets, to the amount for which the original security was issued.
VCT (Venture Capital Trust)
VCTs offer up to 30% upfront income tax relief, tax-free dividends and an exemption from capital gains tax on the shares should they rise in value.
Building Society Shares
An investor who has a share account with a building society is a member of that society and their share account is an asset for Capital Gains Tax purposes.
ISA (Individual Savings Account)
ISA eligibility information is determined in two ways, for funds ISA fund markers are sourced from Morningstar and FE FundInfo. For bonds & stocks, SIX rulesets are used.
Bond Funds
Bond Funds, Individual Bonds, Individual gilts and ETF bonds are taxed at the income tax rate of 20%. However, the interest paid for Bond Funds is on the 20% net rate.
UK Gilt Marker
Profits or losses made on the disposal of gilts (including on redemption) by individual investors are not taxable and do not have to be included on the investor's tax return, either as income or capital gains.
ERI (Excess Reportable Income)
Income received by a reporting fund but not distributed to the investor is called Excess Reportable Income (ERI).
Equalization
New investors are not entitled to any share of the unit trust’s income which arose before they bought their units. To compensate for this an equalization payment is added to the cost of new units. This is not income.
Transparent Funds
HMRC international manual definition of transparent funds.
Withholding Tax
UK domestic law requires companies making payments of UK-source interest to withhold tax at 20%, regardless of where they are resident. However, there are a few exceptions to this general rule.
Access the Detailed Factsheet
Get an in-depth look at everything our domestic tax service can offer you and your clients. Discover the full specifications by downloading the official factsheet.
Our service translates local tax regimes into actionable data—so institutions can deliver accurate reporting and client advice across borders, with confidence and ease.
Kathelijne Marritt Alers Senior Product Manager