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BOE-A-2026-5125 ·4 March 2026 ·Resolution Low impact
Administrative

Businesses and individuals: 3 months to update official exchange rates or deviation risks

The Bank of Spain's resolution publishes the euro exchange rates from 3 March 2026 set by the ECB, now officially effective under Article 36 of Law 46/1998. These rates replace previous ones and must be used in financial transactions, contracts, and official communications. The change impacts all users of foreign currencies in Spain, especially in payments, interest rates, and currency conversions.

In 2 key points

  1. The exchange rates from 3 March 2026 are official for all financial uses (art. 36 Ley 46/1998)
  2. 1 euro = 1.1606 US dollars (official rate from 3/3/2026) (texto fuente)

How it affects those involved

Businesses, individuals and public administrations must update their foreign exchange calculation systems to avoid errors in international payments or contracts. Banks and investment managers must revise their official exchange rates. Financial advisers must inform their clients about the new rates. Using outdated exchange rates may result in losses or contractual deviation claims.

Lifecycle

2026-03-04PublishedPublished in the BOE
2026-03-04Into 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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