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BOE-A-2026-9357 ·29 April 2026 ·Act critical
Administrative

Businesses and individuals: 1 month to update official exchange rates in financial records

The Bank of Spain publishes the euro exchange rates as of April 28, 2026, approved by the ECB, which now have official status (Art. 36 of Law 46/1998). These rates replace previous ones and must be incorporated into financial, accounting, or trade records. The change affects all entities using official exchange rates for economic or tax calculations.

In 2 key points

  1. Official exchange rates are updated daily according to the ECB (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. The new rates must be incorporated into financial and accounting records within a 1-month period (practical implication) (art. 36 Ley 46/1998)

How it affects those involved

Companies and individuals conducting international transactions must update their financial records with the new rates to comply with tax and accounting regulations. Banks and asset managers must review their rate calculation systems. Financial advisors must inform their clients about the update. Errors in application may lead to fines or incorrect filings.

Lifecycle

2026-04-29PublishedPublished in the BOE
2026-04-29Into 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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