Appenzell Innerrhoden tax return made clear and easy
Need to file your tax return in Appenzell Innerrhoden? We provide all important details on deadlines, deductions, submission methods and cantonal regulations.
Submission deadlines in the Canton of Appenzell Innerrhoden
Private individuals:
The tax return must be submitted by April 30.
Companies:
For companies, the deadline is usually May 31.
Extension: Upon request, the deadline can be extended for both groups up to November 30 at the latest.
Note: Depending on the canton, fees may be charged for requesting an extension.
If the tax return is submitted late without an extension, reminder fees or fines may apply.
How do I file a tax return in Appenzell Innerrhoden?
In the Canton of Appenzell Innerrhoden, you have the following options for submitting your tax return:
- Filing with eTax.AI: The cantonal software eTax.AI allows you to complete your tax return digitally on your computer and submit it directly online to the tax office.
- Submission in paper form: Alternatively, you can still file on paper. Simply print out the completed tax return, sign it, and send it together with all required documents by post.
Note: The canton provides return envelopes upon request. Make sure that all enclosures are complete and that the forms are signed if you choose the paper option.
Special features in the Canton of Appenzell Innerrhoden
Tax practice in the Canton of Appenzell Innerrhoden comes with a few particular features:
- Very low tax burden: Appenzell Innerrhoden is one of the cantons with the lowest income tax rates in Switzerland. The maximum tax rate ranges from around 23.8% (Appenzell region) to 27.1% (Oberegg region), making it attractive for both individuals and companies.
- Simple tax rate of 100%: Throughout the canton, taxation is calculated with a uniform rate of 100%. This ensures a transparent, straightforward and easy-to-understand assessment.
- Choice between actual and lump-sum deductions for property: Property owners can decide each year whether to claim actual maintenance costs or a lump-sum deduction. This flexibility creates opportunities for optimization.
- Withholding tax with special rules: For foreign nationals, clearly defined tariff codes apply. Switching to an ordinary assessment is possible under certain conditions, such as marriage or obtaining a permanent residence permit.
- Pro-rata taxation in case of relocation: If you move into or out of the canton, or in the case of death during the calendar year, tax liability is calculated on a pro-rata basis. In such cases, an interim tax return is required.
Support in special cases
Complex tax situations can arise even in the rural canton of Appenzell Innerrhoden. We can support you with the following:
- Relocation from another canton or from abroad
- Agricultural side income or self-employment
- Rental or sale of real estate
- Withholding tax with voluntary assessment (SOTA)
- Lump-sum withdrawals from pension funds or pillar 3a
- Income from foreign sources or overseas accounts
Our experienced tax professionals will carefully review your situation to ensure you take full advantage of all tax optimization opportunities.
Let our professionals fill out your tax return in Appenzell Innerrhoden
Leave your tax return to us and save time, stress, and money. Our experienced tax professionals will complete it for you — quickly, accurately, and tailored to your personal situation in the Canton of Appenzell Innerrhoden.
Frequently asked questions
Below you will find answers to frequently asked questions about tax returns in Appenzell Innerrhoden.
How much does it cost to fill out the tax return in Appenzell Innerrhoden with Taxea.ch?
We offer various packages starting at CHF 99, which are tailored to your tax situation. You can apply for the subsequent ordinary tax assessment (SOTA) separately for CHF 80. Personal tax advice is available as an additional option. A consultation is included in the Prime package.
Which languages do you offer tax consultation services in?
We speak four languages and are there for you throughout Switzerland. Our multilingual tax specialists can advise you in German, French, Italian and English — ideal also for expats who are settling in Switzerland.
Are you also responsible for communication with the tax authorities?
Yes, with our Bestseller and Prime packages, we fully represent you vis-Ă -vis the tax authorities. This allows you to file your tax return without worries. After receiving the tax return, we will check it and discuss the results with you personally.
How does the collaboration with specialists work?
You enter your data and upload your documents to our online portal. Our specialists will then review everything, take full advantage of all deductions and prepare your tax return. Once you have approved it, we will file it digitally with the tax office and extend the deadline if necessary. Finally, we carefully check the tax assessment and respond to any queries.
Can you help me optimize my taxes?
With each of our packages, you benefit from our design of your tax return, which exhausts all possible deductions so that you only pay the necessary amount of tax. If you opt for our tax consultation service, we will advise you on all possible optimisation options, from pension deductions to professional expenses and individual tax benefits, to ensure you are in the best possible financial position in the long term.

Do you have any questions?
Do you need help with your tax return in Appenzell Innerrhoden and would like clear answers to your questions?