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BOE-A-2026-11470 ·27 May 2026 ·Resolution Low impact
Administrative

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

The Bank of Spain's resolution publishes new euro exchange rates from 26 May 2026 under current law (Art. 36 of Law 46/1998). These official rates replace previous ones and must be used in financial transactions, contracts and tax declarations. Updates are automatically applied in payment and official currency systems.

In 3 key points

  1. Official exchange rates are updated on 26 May 2026 (texto fuente)
  2. The new rates apply to financial and tax transactions (art. 36 Ley 46/1998)
  3. The Bank of Spain publishes the official changes in accordance with the current regulation (texto fuente)

How it affects those involved

Businesses, companies and individuals carrying out international transactions must update their pricing calculations and exchange rate figures from 26 May. Tax authorities and banks must incorporate the new rates into their calculation systems. Financial advisors should review contracts and declarations that use outdated rates to avoid errors in tax or cost calculations. Foreign exchange operators may adjust their quotations accordingly.

Lifecycle

2026-05-27PublishedPublished in the BOE
2026-05-26Into forceComes into force (texto fuente)
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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