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BOE-A-2026-10816 ·19 May 2026 ·Act critical
Administrative

Entities and individuals: update official exchange rates by 15 May 2026

The Bank of Spain publishes updated exchange rates of the euro against foreign currencies effective 15 May 2026, in accordance with Article 36 of Law 46/1998. These changes have official effect and must be used in financial operations, contracts, or tax declarations requiring official exchange rates. The publication in the BOE ensures transparency and consistency in the Spanish monetary system.

In 3 key points

  1. Official exchange rates will be updated on 15 May 2026 (texto fuente)
  2. Exchange rates are published by the Bank of Spain and have official effect (art. 36 Ley 46/1998)
  3. Exchange rates affect financial transactions, contracts, and tax returns (texto fuente)

How it affects those involved

Businesses, individuals, and financial institutions must update their exchange rate calculations for international transactions, contracts, or tax returns as of 15 May. Financial advisors and managers should review their calculations to prevent errors in payments or collections. Tax authorities and banks must apply the new rates in their calculation and auditing processes. Errors in application may result in fines or payment disputes.

Lifecycle

2026-05-19PublishedPublished in the BOE
2026-05-15Into forceComes into force (texto fuente)
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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