Quarterly
Filter VAT, withholding, provisional tax, SGK and annual return obligations by frequency and type. Dates follow general rules and may change due to public holidays and announcements.
| Obligation | Obligation type | Deadline | Period | |
|---|---|---|---|---|
| Provisional Tax Return (Q3)Quarterly | Return | 23 November 2026 | July – September 2026 | View |
2009|Ataşehir · Istanbul
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