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BOE-A-2026-11622 ·29 May 2026 ·Act critical
Administrative

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

The Bank of Spain Resolution publishes the official euro exchange rates for 28 May 2026, in accordance with the ECB, and establishes that these rates shall take official effect pursuant to Law 46/1998 (Art. 36). This change affects all sectors using official rates for currency conversions, such as trade, services, and current accounts. The published rates supersede those previously in force until the date of publication.

In 2 key points

  1. Official exchange rates are updated daily according to the ECB (art. 36 Ley 46/1998)
  2. The rates published on 28 May 2026 are official from that date (Resolución de 28 de mayo de 2026)

How it affects those involved

Traders, businesses, and individuals conducting international transactions must update their currency conversion calculations based on the new official rates. Public administrations and financial institutions managing conversions must apply these rates to their operations. Financial advisors should review their calculations and communicate updates to clients to prevent errors in invoicing or payments.

Lifecycle

2026-05-29PublishedPublished in the BOE
2026-05-29Into forceComes into force (Resolución de 28 de mayo de 2026)
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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