How to Apply Official Exchange Rates in Czech Tax Returns, 2025 Rates (finanční Zpravodaj 2/2026)

Tax exchange rates czech republic businesses rely on for their 2025 filings are now fixed: the Ministry of Finance has published the uniform rates (jednotné kurzy) for the 2025 tax period in Finanční zpravodaj č. 2/2026, via Pokyn č. GFŘ-D-75 issued by the General Financial Directorate. If you are closing 2025 accounts and preparing 2026 filings, this is the authoritative source for tax translation under §38 of the Income Taxes Act. This guide takes a clear position on which rate to apply, when, and how to document it, because the wrong choice at tax-return stage is a common FX error that surfaces in a Czech tax inspection.

Below you will find step-by-step application for corporate income tax, VAT and bookkeeping, a central comparison table, worked numeric examples, and an audit-ready documentation checklist you can act on immediately.

Legal basis, §38 zákona č. 586/1992 Sb. and Finanční zpravodaj č. 2/2026

The legal framework governing tax exchange rates czech republic filers must apply begins with §38 of the Income Taxes Act (zákon č. 586/1992 Sb.). This provision governs how foreign-currency amounts are converted for income-tax purposes, and the uniform exchange rates, the jednotné kurzy, are set out by the Ministry of Finance / General Financial Directorate for each tax period. The practical significance is straightforward: where the statute permits and the uniform rate is used, that rate governs the tax computation for eligible taxpayers.

Finanční zpravodaj č. 2/2026, published by the Ministry of Finance, contains Pokyn č. GFŘ-D-75 setting the uniform rates for the 2025 tax period. It is this bulletin, not a bank’s daily quote and not an internal policy rate, that is the authoritative source for the uniform-rate tax translation step. The bulletin specifies the applicable rates for the major currencies used by Czech businesses, and it is the document an inspector will expect to see referenced in your working papers.

Scope matters. The uniform rates are available to taxpayers who are not obliged to keep double-entry bookkeeping (and in certain other cases) for the tax-period translation of foreign-currency income and expenses under §38. Taxpayers who keep accounting records generally translate at the rates required by Czech accounting rules. Understanding which regime applies to you, and where the uniform rate ends and transaction-date accounting begins, is the core skill this article builds.

What “jednotné kurzy” are and their legal effect

Jednotné kurzy are single, period-wide exchange rates published for use in tax computations. Rather than requiring a taxpayer to track the exact rate on every transaction date, §38 permits a uniform rate for the whole tax period for eligible taxpayers. Their legal effect is that, once the bulletin sets the rate for 2025, that figure is the correct number to insert where the uniform rate is the prescribed or elected method. A taxpayer who uses a different rate without a clear statutory or accounting justification carries a higher audit risk. The uniform rate is, in short, a safe and defensible choice for the tax-return conversion step where it applies.

How to apply the Ministry uniform rates, step-by-step for Corporate Income Tax

For corporate income tax, companies that keep accounting records generally translate foreign-currency amounts using the rates required by Czech accounting rules, while taxpayers eligible to use the uniform rates apply those from Finanční zpravodaj č. 2/2026. Where the uniform rate applies, the discipline is procedural: identify, select, apply, record and reconcile. Follow the four steps below in order and your translation will be both correct and defensible.

• Step 1, Identify transactions that require translation. Scan the ledger for foreign-currency income, expenses and any closing balances that feed the tax base. Separate items already recorded at a CZK amount from those that still need conversion for the tax computation. Flag intra-group items, permanent-establishment entries and any amounts carried at a rate that differs from the rate you will apply for tax.
• Step 2, Select the correct rate. Where the uniform rate applies, open Finanční zpravodaj č. 2/2026, locate the 2025 table, and read off the rate for each relevant currency. Where accounting rules govern, use the rate required by those rules. Do not mix methods for the same item without justification.
• Step 3, Apply rounding and arithmetic consistently. Convert each amount and round in line with the applicable methodology and standard tax practice. Apply the same rounding convention across every line so that the cumulative effect is transparent and reproducible.
• Step 4, Record and reconcile. Enter any tax-only adjustment where the tax translation differs from the accounting entry, then reconcile the converted tax figures back to the accounting records. Keep the reconciliation as a standalone schedule; it is the bridge an inspector will want to walk.

Worked example, export sale invoiced in USD (illustrative figures)

The figures below are illustrative only and do not reflect the actual published 2025 rates, which must be read from Finanční zpravodaj č. 2/2026. Assume a Czech taxpayer eligible to use uniform rates issues an export invoice for USD 100,000. During the year, the receivable was recorded at a transaction-date rate, say CZK 23.50 per USD, giving a booked value of CZK 2,350,000. For the 2025 tax computation using the uniform rate, suppose that rate is CZK 24.00 per USD. The tax-base value of the sale becomes CZK 2,400,000.

The CZK 50,000 difference between the booked value and the uniform-rate value is a tax-only translation difference. It does not change what the customer actually paid, but it changes the amount that enters the tax computation for this item. The taxpayer records a tax adjustment of CZK 50,000, documents the two rates side by side, and files a schedule showing the invoice, both rates and the resulting difference. The key discipline: keep the accounting treatment and the tax treatment clearly separated and reconciled.

Common pitfalls for CIT

• Mixed-date receipts. When a single invoice is paid in several instalments across different dates, do not blend transaction-date rates into a uniform-rate conversion, apply a single, consistent method and reconcile the booked instalments separately.
• FX gains and losses. Accounting FX gains or losses recognised at transaction-date rates must be reconciled to the tax base. Show the accounting result and the tax-base result on the same schedule so the difference is explicit.
• Hedging. Hedging instruments drive the accounting treatment but do not, by themselves, dictate the tax translation. Keep the hedge accounting entries and the tax-base translation on separate, clearly labelled schedules.
• Permanent establishment items. Cross-border items attributable to a permanent establishment require careful allocation before translation; document the allocation basis and the rate applied.

VAT conversion and bookkeeping, do you use the same rate?

This is where the most costly confusion arises, so take a clear position: no, you do not automatically use the same rate across CIT, VAT and bookkeeping. The tax exchange rates czech republic businesses apply differ by purpose, and treating them as interchangeable is how reconciliations fall apart under inspection.

For VAT, conversion is governed by the VAT Act (zákon č. 235/2004 Sb.) and Financial Administration guidance. Under current rules, taxpayers may convert foreign-currency amounts using the exchange rate applicable on the date the obligation to declare the tax arises, using either a Czech National Bank rate or, where permitted, the European Central Bank rate, according to a consistently applied method. The practical consequence is that the rate used to convert a foreign invoice for the VAT return may legitimately differ from the rate used for the CIT base. You must confirm the applicable VAT conversion rule for each supply and retain evidence of the rate and date used.

For bookkeeping, Czech accounting rules (and IFRS where applicable) generally require transaction-date or, in some cases, a fixed rate chosen under the entity’s accounting policy. These rates serve the financial statements and management reporting. They are not inherently “wrong” for accounting, they are correct for accounting, but they are not necessarily the figure that belongs in a uniform-rate tax computation. The reconciliation between the accounting translation and the tax translation is therefore not optional; it is the mechanism that lets you use the right rate for each purpose while keeping a defensible audit trail.

VAT example, converting a foreign invoice for the VAT declaration (illustrative)

A Czech business receives a supplier invoice for EUR 10,000. For the VAT declaration, the conversion follows the VAT Act and Financial Administration guidance tied to the relevant date for that supply. Suppose the applicable rate on that date is CZK 25. 00 per EUR, giving a VAT-return value of CZK 250,000 and VAT calculated on that CZK amount. For the related CIT translation, an eligible taxpayer may use the uniform rate, say CZK 24. 80, producing a different CZK figure. Both figures are correct for their respective purposes. The business documents each rate, each date and each resulting CZK amount, and keeps the two calculations separate so that neither contaminates the other.

These figures are illustrative; apply the actual published and applicable rates.

Bookkeeping entries and tax-only adjustments

The practical bookkeeping pattern is to record the transaction at the accounting rate, then layer a tax-only adjustment where the tax translation differs. A sample sequence: (1) book the foreign receivable or payable at the rate required by your accounting policy in the general ledger; (2) at period close, calculate any tax-base adjustment; (3) post the difference to a clearly labelled tax-adjustment schedule rather than altering the statutory accounts; (4) carry that schedule into the tax computation and preserve it as audit evidence. The golden rule is that the accounts tell the financial story and the adjustment schedule tells the tax story, and the reconciliation connects them line by line.

Central comparison table, applying uniform Ministry rates vs transaction/accounting rates

The table below is the decision centrepiece. It sets out, dimension by dimension, when the uniform rates govern and when transaction or accounting rates are appropriate. Read it as a working reference while you build your conversion schedules. In prose: the left column is what eligible taxpayers apply for the tax computation; the right column is what you use for day-to-day accounting, cash movements and VAT scenarios. Hybrid working, accounting at one rate, tax at the applicable rate, with a reconciliation in between, is the norm for many businesses.

Documentation and audit checklist, how to document FX conversions to withstand inspection

A tax inspection focused on FX translation is, in practice, a documentation test. The inspector is not asking you to re-run the market, they are asking you to prove that the tax exchange rates czech republic businesses used tie back to the authoritative source and reconcile to the accounts. If your evidence pack answers that in minutes, the review is short. If it does not, the review expands. Build the pack proactively, not retrospectively.

Minimum evidence list, the must-haves for audit

• Copy of Finanční zpravodaj č. 2/2026, the page(s) showing the applicable 2025 uniform rates (Pokyn č. GFŘ-D-75), saved alongside the working papers (where you use the uniform rate).
• Calculation schedules, mapping each foreign-currency transaction to the rate used and showing the resulting CZK amount, line by line.
• Accounting journal entries and reconciliation, demonstrating how the booked accounting value relates to the tax-base value and where tax-only adjustments arise.
• Bank statements and invoices, evidencing the amounts, currencies and relevant dates underlying each converted item.
• Internal FX policy and approval, documenting your rounding methodology and the consistently applied conversion method, with any management approval where accounting and tax treatments diverge.

An example audit narrative to include with the return

Attach a short methodology paragraph to the working papers, for example: “Foreign-currency income and expenses for the 2025 tax period have been translated using the uniform exchange rates published by the Ministry of Finance in Finanční zpravodaj č. 2/2026 (Pokyn č. GFŘ-D-75), applied under §38 zákona č. 586/1992 Sb. where the taxpayer is eligible to use them. Accounting entries were recorded in accordance with the entity’s accounting policy; tax-only adjustments reconciling the accounting translation to the tax base are set out in the attached schedule. VAT conversions were performed under the VAT Act (zákon č. 235/2004 Sb. ) using a consistently applied method tied to the date the tax obligation arose.

” A single, clear paragraph like this frames the whole pack and pre-empts the inspector’s first question.

Decision framework, choose A, B or a hybrid

Here is the recommendation, stated plainly. Determine your eligibility to use the uniform rates for the income-tax translation; use the appropriate transaction/accounting rate for bookkeeping; apply the VAT Act’s rules for VAT; and reconcile between them. Use the triggers below to decide.

• Choose the uniform rates (A) when: you are a taxpayer eligible to use the uniform rate under §38; the currency is covered by Finanční zpravodaj for the period; and you want a simple, consistent, period-wide method with a clear audit trail.
• Choose transaction/accounting rates (B) when: you keep accounting records and must translate at the rate required by accounting rules; you are recording day-to-day bookkeeping, cash receipts and payments; or you are converting for VAT (apply the VAT Act’s date-of-tax-point rules).
• Choose a hybrid approach when: your financial statements use one method and the tax or VAT treatment requires another, keep a clear tax-only adjustment schedule and a reconciliation that demonstrates the difference to auditors.

Quick decision checklist:

• Are you eligible to use the uniform rate for the income-tax translation? → Confirm before applying it.
• Is this a VAT declaration conversion? → Apply the VAT Act / date-of-tax-point rule with a consistent method.
• Is this a routine ledger entry? → Use the rate required by your accounting policy.
• Do the accounting and tax figures differ? → Post a tax-only adjustment and reconcile.
• Can you point to the source document for every rate used? → If not, fix it before filing.

Annex, rounding rules and worked numeric examples (illustrative)

Two compact examples illustrate the mechanics. They demonstrate how the correct tax exchange rates czech republic businesses apply can change the tax outcome, and why the reconciliation matters. The rates shown are illustrative and must be replaced with the actual applicable figures.

• Example 1, export sale in USD. Invoice: USD 100,000. Booked at a transaction-date rate CZK 23.50 → CZK 2,350,000 in the accounts. Uniform rate for 2025 (illustrative): CZK 24.00 → tax value CZK 2,400,000. Tax-only translation difference: CZK 50,000, carried via an adjustment schedule.
• Example 2, foreign expense for VAT. Supplier invoice: EUR 10,000. VAT-return conversion at the applicable date rate CZK 25.00 → CZK 250,000, VAT calculated on that CZK amount. The related income-tax expense is translated at the applicable rate (illustratively CZK 24.80 → CZK 248,000). Each figure is documented with its rate, date and CZK result; the two calculations are kept separate and reconciled.

Rounding guidance: round in line with the applicable rules for the tax return; apply a single, documented rounding convention across all lines; disclose the policy in the calculation schedule. Express amounts with both the CZK value and the source currency code (for example, USD 100,000 → CZK 2,400,000) so that every figure is unambiguous for a reviewer.

For further support, you can reach the Tax, Czech Republic practice area and the Czech tax advisor directory on Global Law Experts.

Conclusion

The tax exchange rates czech republic businesses apply for the 2025 tax period are now settled in Finanční zpravodaj č. 2/2026 (Pokyn č. GFŘ-D-75), and the compliance path is clear: confirm your regime, use the uniform rates for the income-tax translation where you are eligible under §38, apply the VAT Act’s date-of-tax-point rules for VAT, record day-to-day entries at the rate required by your accounting policy, and reconcile the differences with a tax-only adjustment schedule. Take the position decisively rather than hedging, applying the correct method consistently is the lower-risk, defensible choice, and the reconciliation is what lets you keep accounting and tax figures correct for their separate purposes.

Build the evidence pack before you file, attach a short methodology narrative, and you convert what is often a stressful inspection point into a routine one.

Sources

1. Ministry of Finance, Finanční zpravodaj č. 2/2026 (Pokyn č. GFŘ-D-75)
2. Income Taxes Act (zákon č. 586/1992 Sb.), §38
3. VAT Act (zákon č. 235/2004 Sb.)
4. Financial Administration (Finanční správa)
5. Czech National Bank (Česká národní banka)
6. Nejvyšší správní soud (Supreme Administrative Court)