Tax filing extension in St. Gallen
If documents are missing or the deadline is approaching, an extension may give you more time. Official approval remains the responsibility of the competent authority.
When can an extension be useful?
An extension can be useful if important documents are still missing or if the tax return cannot be completed by the regular deadline. It does not replace the obligation to file a complete tax return.
Check the deadline
Review the current official deadline and act early.
Prepare the required details
For individuals, the canton’s online process may require information from your personal tax documents.
Continue preparing documents
Use the additional time to obtain missing statements and organise your records.
Official process
The current requirements and electronic application are published by the Canton of St. Gallen.
Frequently asked questions
Does an extension happen automatically?
No. The official authority decides based on the applicable requirements.
Do I still need to collect documents?
Yes. The extra time should be used to complete the documentation.
Can you also prepare the tax return?
Yes. We can support you with the preparation and clarify the expected scope and price.