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BOE-A-2026-10600 ·15 May 2026 ·Act critical
Administrative

Businesses and individuals: 1 month to update official exchange rates in financial records

The Bank of Spain publishes official exchange rates for the euro as of May 14, 2026, in accordance with Article 36 of Law 46/1998. These rates are considered official for all financial uses and must be updated in financial records and transactions. The change affects any entity using the euro as a reference currency in financial operations, especially in international conversions.

In 2 key points

  1. Official exchange rates will be updated on 14 May 2026 (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. The published rates are considered official for all financial purposes (art. 36 Ley 46/1998)

How it affects those involved

Companies and individuals conducting international transactions must update their financial records with the new exchange rates to avoid errors in profit, tax, or cost calculations. Public administrations and financial institutions managing conversions must verify their internal systems. Financial advisors must inform their clients about the rate update to ensure accuracy in calculations.

Lifecycle

2026-05-15PublishedPublished in the BOE
2026-05-14Into forceComes into force (art. 36 Ley 46/1998)
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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