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BOE-A-2026-6866 ·24 March 2026 ·Resolution Low impact
Administrative

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

The Bank of Spain's resolution publishes the new euro exchange rates effective 23 March 2026, now officially recognised (Art. 36 Law 46/1998). These rates replace previous ones and must be updated in all financial records and foreign currency conversion operations. The change directly impacts any entity conducting foreign exchange transactions.

In 2 key points

  1. The official exchange rates are updated on 23 March 2026 and come into immediate effect for 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

Businesses and individuals managing foreign exchange operations must update their financial records with the new official exchange rates from 23 March 2026. Authorities and current account managers should verify conversion calculations to avoid errors in payments or declarations. Financial advisers must inform their clients about the updated rates 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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