Income tax: advances, costs and annual calculation

Uncertain advance payments and unclear costs create the biggest surprises at the end of the year. In this text, you get advance planning, an overview of recognized and unrecognized expenses, tips for records and documentation, and steps for the annual calculation and tax balance. The focus is on the predictability of cash flow and reducing the risk of surcharges and fines.

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Overview

Plan down payments and expenses — no surprises at the end

A good installment plan and understanding of recognized/unrecognized expenses prevent unpleasant surprises at the end of the year.

Advance payments and planning

  • Calculation and payment according to the last tax balance
  • Business monitoring and adjustment throughout the year
  • Avoiding large surcharges at the end of the period

Acknowledge vs. unrecognized costs

  • Representation, donations, interest, exchange rate differences - special rules
  • Document the purpose and connection to the activity
  • Accounting and internal control policy

Annual calculation

  • Tax balance and corrections of the accounting result
  • Transfer pricing compliance (if applicable)
  • Storage of documentation and signature of the responsible person

FAQ

  • When are advance payments due? Within the established deadlines; update the amounts according to the business.
  • Are all costs recognized? No; check specific restrictions and documentation.
  • How to reduce the risk? Regular reviews and trial tax balance during the year.

Want smarter tax planning? FEDRA is here.

Publication date: December 2025
Category: Tax legislation
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