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BOE-A-2026-7191 ·28 March 2026 ·Resolution Low impact
Administrative

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

The Bank of Spain's resolution publishes new euro exchange rates effective 27 March 2026, which are officially recognised under Article 36 of Law 46/1998. These updates must be incorporated into international financial and operational calculations by businesses and individuals to ensure accuracy and avoid deviation in transaction values.

In 2 key points

  1. Official exchange rates are updated on 27 March 2026 and come into immediate effect (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. New exchange rates must be used in international financial operations (Art. 1) (art. 1)

How it affects those involved

Companies carrying out international operations must update their foreign exchange conversion calculations to avoid errors in invoices, payments or interest rates. Individuals making purchases or investments in foreign currencies should also use the new official exchange rates. Financial advisers should review their reports and adjust their recommendations. The Bank of Spain does not impose penalties, but deviations may lead to errors in the calculation of profits or losses.

Lifecycle

2026-03-28PublishedPublished in the BOE
2026-03-27Into forceComes into force (art. 36 Ley 46/1998)
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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