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BOE-A-2026-10816 ·19 May 2026 ·Resolution Low impact
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 are updated on 15 May 2026 (texto fuente)
  2. Exchange rates are published by the Bank of Spain and are officially effective (art. 36 Ley 46/1998)
  3. Exchange rates affect financial operations, contracts and tax declarations (texto fuente)

How it affects those involved

Business operators, individuals and financial institutions must update their foreign exchange calculations for international operations, contracts or tax declarations from 15 May. Financial advisors and finance managers should review their calculations to avoid errors in payments or receipts. Tax authorities and banks must apply the new exchange rates in their calculation and audit processes. Incorrect application may result in fines or disputes over payments.

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.

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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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