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BOE-A-2026-9872 ·6 May 2026 ·Resolution Low impact
Administrative

Businesses and individuals: 3 months to update official exchange rates or deviation risks

The Bank of Spain's resolution publishes the euro exchange rates from 5 May 2026 set by the ECB, now officially effective (Art. 36 of Law 46/1998). These rates affect all parties using official exchange rates for financial, trade, or accounting operations. Rates must be updated in internal records and currency conversion transactions to avoid errors or penalties for deviation.

In 2 key points

  1. The official exchange rates from 5 May 2026 are applied as reference for financial operations (art. 36 Ley 46/1998)
  2. 24 exchange rates from the euro to foreign currencies, including dollars, yen, pounds, etc., are established (texto fuente)

How it affects those involved

Business operators and individuals carrying out international transactions must update their exchange rates to avoid errors in invoices, payments or profit calculations. Public administrations and financial institutions using official rates must adjust their internal systems. Finance advisors must inform their clients about the new rates and ensure they are applied in currency conversion operations. The risk of deviation in commercial transactions increases if updates are not made in a timely manner.

Lifecycle

2026-05-06PublishedPublished in the BOE
2026-05-06Into forceComes into force (Resolución de 5 de mayo 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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