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BOE-A-2026-13363 ·19 June 2026 ·Act critical
Administrative

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

The Bank of Spain resolution publishes euro exchange rates against other currencies effective from June 18, 2026, in accordance with Article 36 of Law 46/1998. These rates have official status and must be used in financial operations, contracts, and official communications. The change affects all sectors using exchange rates in international or commercial operations.

In 2 key points

  1. Official exchange rates are published on 18 June 2026 and take immediate effect (texto fuente)
  2. The rates apply to financial transactions, contracts, and official communications (art. 36 Ley 46/1998)

How it affects those involved

Businesses and individuals conducting international transactions must update their financial calculations using the new official rates from 18 June. Public administrations and financial institutions must adopt these rates in their records and official communications. Financial advisors should review their calculations and adjust their reports. Traders operating in foreign currencies face a risk of error if they do not update their conversions.

Lifecycle

2026-06-19PublishedPublished in the BOE
2026-06-18Into forceComes into force (texto fuente)
Official text Based on BOE data (boe.es). Information, not advice.

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