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BOE-A-2026-6088 ·14 March 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 March 13, 2026, in accordance with Article 36 of Law 46/1998. These rates replace previous ones and must be incorporated into financial records and international trade operations. The change affects all users of foreign currencies in Spain, especially in international trade or accounting. The rates are considered official from publication date and must be updated in financial records within one month.

In 2 key points

  1. Official exchange rates will be published on 13 March 2026 and must be applied to financial records (art. 36 Ley 46/1998)
  2. The deadline for updating records is one month from the date of publication (disposiciones transitorias)

How it affects those involved

For companies and individuals engaged in international transactions, it is mandatory to update financial records with the new exchange rates to prevent accounting and tax filing errors. Account administrators and managers must verify existing records and apply the new rates. Financial advisors must inform their clients of the requirement to update. Non-compliance risks include accounting errors and potential tax penalties.

Lifecycle

2026-03-14PublishedPublished in the BOE
2026-03-14Into forceComes into force (disposiciones transitorias)
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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