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Important dates for 30 September

30 September is a significant deadline in tax law. For entrepreneurs several important deadlines fall on this day. Here is an overview of the key tax dates.

Submission of company register annual accounts

Capital companies such as GmbHs and AGs must submit their annual accounts to the company register in time. In principle this must be done within nine months after the balance‑sheet date. For companies with a balance‑sheet date of 31 December, this deadline therefore ends on 30 September. In the case of a late submission, coercive penalties may be imposed, which are levied not only on the company itself but also on each of its statutory representatives.

Extension of charitable donation exemption

Charitable organisations that enjoy a tax‑exempt status for donations must extend this exemption each year in order to ensure the tax deductibility of donations for their supporters. The extension of the donation exemption must be applied for annually within nine months after the end of the financial year by a professional party representative via FinanzOnline. If the charitable organisation’s financial year corresponds to the calendar year, the application must therefore be submitted by 30 September.

Reduction of income‑tax pre‑payment

Income‑tax pre‑payments are based on the amount of income tax assessed in previous years. If it is expected that profit in the current year will be lower than in previous years, an application to reduce the income‑tax pre‑payments for the current year can be lodged with the tax office by 30 September. The application requires a justification for the lower profit expectation as well as appropriate evidence (e.g. interim balance sheet, turnover comparison). This also applies to corporation tax.

Income‑tax/Corporation‑tax advance payment

If a tax repayment for the previous year is expected, a voluntary advance payment of the corresponding income‑ or corporation‑tax can be made to the tax office by 30 September of the following year. This fully avoids interest charges arising from tax arrears. It is important that the correct reference (so‑called clearing reference) is indicated when transferring the payment to the tax office, so that the payment can be allocated to the desired tax.

VAT refund application

Austrian entrepreneurs who paid input tax in another EU Member State in the previous year can claim a refund there. The application for a VAT refund must be submitted electronically via FinanzOnline no later than 30 September (non‑extendable), taking into account country‑specific variations in invoice thresholds or required documentation. The Austrian tax office will then forward the application to the respective EU Member State for reimbursement.

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