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BOE-A-2026-6866 ·24 March 2026 ·Act critical
Administrative

Companies and individuals: one month to update official exchange rates in financial records

The Bank of Spain Resolution publishes the new euro exchange rates effective from 23 March 2026, which now hold official status (Art. 36 Law 46/1998). These values supersede previous rates and must be updated in all financial records and currency conversion operations. This change directly affects any entity conducting foreign currency transactions.

In 2 key points

  1. Official exchange rates will be updated on 23 March 2026 and will have an immediate effect on financial operations (art. 36 Ley 46/1998)
  2. The new exchange rates must be incorporated into financial records and conversion operations (art. 36 Ley 46/1998)

How it affects those involved

Companies and individuals managing exchange operations must update their financial records with the new official exchange rates starting 23 March 2026. Banks and current account managers must verify conversion calculations to prevent errors in payments or declarations. Financial advisors should inform their clients about the rate update to ensure accuracy in international transactions.

Lifecycle

2026-03-24PublishedPublished in the BOE
2026-03-23Into forceComes into force (art. 36 Ley 46/1998)
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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