Tax Deadlines in September 2026

On 14.9.2026 the following declarations/payments are due:

• Intrastat-declaration for August 2026.

On 15.9.2026 the following declarations/payments are due:

• Advance VAT declaration for July 2026.
• Standardized Consumption Tax for July 2026.
• Capital Gains Tax for capital gains on debt securities for July 2026.
• Tax on energy, coal and natural gas for July 2026.
• Advertising Tax for July 2026.
• Digital Tax for July 2026.
• Wage Tax for August 2026.
• Employer Contribution to the family allowance compensation fund for August 2026.
• Surcharge to the Employer-Contribution for August 2026.
• Municipal Tax for August 2026.
• Social insurance payments for employees for August 2026.
• „U-Bahn-Steuer“ for Vienna for August 2026.
• Withholding Tax according to Sec 99 ICTA for August 2026.

On 30.9.2026 the following declarations/payments are due:

• Recapitulative statement („Zusammenfassende Meldung“) for August 2026.
• Deadline for application for refund of foreign VAT from EU countries for tax year 2025.
• Application for reduction of advance payments 2026 for income tax and corporate income tax.