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BOE-A-2026-11470 ·27 May 2026 ·Act critical
Administrative

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

The Bank of Spain has issued a Resolution publishing new euro exchange rates against the US dollar and other currencies, effective from 26 May 2026, in accordance with current regulations (Art. 36 of Law 46/1998). These official rates supersede previous ones and must be used for financial transactions, contracts, and tax declarations. Updates are applied automatically within payment systems and official currency frameworks.

In 3 key points

  1. Official exchange rates will be 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 official changes in accordance with current regulations (texto fuente)

How it affects those involved

Traders, businesses, and individuals conducting international transactions must update their price calculations and exchange rates from 26 May. Tax authorities and banks must integrate the new rates into their calculation systems. Financial advisors should review contracts and declarations using previous rates to prevent errors in tax or cost calculations. Currency exchange operators may adjust their quotes 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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