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BOE-A-2026-11937 ·3 June 2026 ·Act critical
Administrative

Businesses and individuals: one month to update official exchange rates in financial records

The Bank of Spain Resolution publishes the new euro exchange rates effective from 2 June 2026, which now hold official status (Art. 36 of Law 46/1998). These changes must be incorporated into the financial records and price calculation systems of businesses and individuals operating in foreign currencies. The current official rate system is automatically updated with these published values.

In 2 key points

  1. Official exchange rates are updated on 2 June 2026 and have legal standing (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. The new exchange rates must be incorporated into the financial records of businesses and individuals (art. 36 Ley 46/1998)

How it affects those involved

Companies managing foreign currency transactions must update the exchange rates in their financial systems within the next 30 days to avoid errors in cost, revenue, or tax calculations. Individuals making foreign currency purchases or sales must also use these official values to ensure the accuracy of their records. Financial advisors must ensure that their clients use the official rates published by the Bank of Spain.

Lifecycle

2026-06-03PublishedPublished in the BOE
2026-06-03Into forceComes into force (Resolución de 2 de junio de 2026, del Banco de España)
Official text Based on BOE data (boe.es). Information, not advice.

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This analysis is informational only and does not constitute legal advice or create a client-adviser relationship. BM Consulting.
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