🧾 Module 3

Tax return (Steuererklärung)

⏱ approx. 60 min.  ·  No prior knowledge needed
🔒 Your privacy on Claude You can sign up for Claude with an invented or impersonal email address – this is perfectly fine. You don't need to enter or upload any personal information. Even without real data, you can use all the exercises and prompts in this course – simply replace the placeholders with fictional examples. Your privacy comes first.

Understanding the form

Ask Claude to explain the tax form
[Please reply in English using simple, plain language. Avoid jargon – if you use technical terms, explain them immediately.]

I need to complete the tax return (Steuererklärung) in Canton Basel and don't know where to start.
My income source: [Salary / IV pension / Sozialhilfe]

What sections are there and what goes in each one?

What documents do I need?

DocumentSalaryIV / Sozialhilfe
Payslip (Lohnausweis)✓–
IV (Invalidenversicherung) pension decision–✓
Sozialhilfe confirmation letter–✓
Health insurance premium receipts✓✓
Medical bills over 100 francs✓✓
Travel cost receipts✓✓
Bank statement as of 31 December✓✓

Deductions (Abzüge)

💡 Common deductions
  • Health insurance premiums (Krankenkassenprämien) – up to the cantonal maximum
  • Medical, dental and therapy costs – above 5% of net income
  • Travel costs to work or medical appointments
  • Alimony payments, donations, vocational training costs
Calculate deductions
[Please reply in English using simple, plain language. Avoid jargon – if you use technical terms, explain them immediately.]

Last year I had the following expenses:
- Health insurance: 380 francs per month
- Dentist: 850 francs
- Public transport pass (work commute): 720 francs

What can I deduct in the tax return in Canton Basel?
My annual net income is 38,000 francs.

Requesting a tax exemption or instalment plan

DeadlineWhat to do?
31 MarchSubmit tax return (Canton Basel)
Before 31 MarchRequest an extension (free, online or in writing)
30 days after the billPay the taxes or request an instalment plan
Apply for tax exemption
[Please reply in English using simple, plain language. Avoid jargon – if you use technical terms, explain them immediately.]

I cannot pay my 2024 taxes.
I receive an IV pension of 1,400 francs per month and EL (Ergänzungsleistungen).

Please draft a formal application for tax exemption (Steuererlass) in German to the tax authority (Steuerverwaltung) of Canton Basel.

✓ Module 3 completed

Well done! Click «Next» to go to the next module.

← Module 2Module 4 →