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BOE-A-2026-11579 ·28 May 2026 ·Resolution Low impact
Administrative

Businesses and individuals: 30 days to update official euro exchange rates

The Bank of Spain's resolution publishes the official euro exchange rates for 27 May 2026 as set by the ECB, effective under Law 46/1998 (art. 36). These rates replace previous ones and apply from the date of publication in the BOE, affecting all users of exchange rates in financial transactions, international trade, or foreign payments.

In 2 key points

  1. Official exchange rates are updated to 1 euro = 1.1637 US dollars (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. Exchange rates published by the ECB have official effect from 27 May 2026 (Resolución de 27 de mayo de 2026)

How it affects those involved

Traders, businesses and individuals carrying out international transactions must update their foreign exchange calculations from 27 May 2026. Public authorities and banks must use the new rates for official payments and currency conversions. Financial advisers should review their calculations and inform their clients of the changes. Errors in applying the exchange rates may result in losses on currency transactions.

Lifecycle

2026-05-28PublishedPublished in the BOE
2026-05-27Into forceComes into force (Resolución de 27 de mayo de 2026)
Official text Based on BOE data (boe.es). Information, not advice.

Does this provision affect you?

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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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