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BOE-A-2026-6000 ·13 March 2026 ·Act critical
Administrative

Entities and individuals: update official exchange rates by 12 March 2026

The Bank of Spain resolution publishes new euro exchange rates effective 12 March 2026, in accordance with Article 36 of Law 46/1998. These rates are officially recognized and must be used in financial operations, contracts, and tax declarations. The update is automatically applied in the official reference system of the Bank of Spain.

In 2 key points

  1. Official exchange rates will be updated on 12 March 2026 (texto del artículo 36 de la Ley 46/1998)
  2. Exchange rates apply to financial transactions and contracts (texto del artículo 36 de la Ley 46/1998)

How it affects those involved

Businesses, individuals, and public administrations conducting international transactions must use the new official exchange rates from 12 March 2026. Financial advisors must update their calculations and filings. Traders operating in foreign currencies must review their pricing and costs. Courts and regulatory bodies may require the use of these rates in legal or accounting proceedings.

Lifecycle

2026-03-13PublishedPublished in the BOE
2026-03-12Into forceComes into force (texto de la resolución del 12 de marzo de 2026)
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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