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BOE-A-2026-616 ·10 January 2026 ·Act critical
Administrative

Businesses and individuals: 3 months to update official exchange rates or face deviation risk

The Bank of Spain Resolution publishes the official euro exchange rates for 9 January 2026, in accordance with the ECB, and establishes that these rates shall have official effect pursuant to Law 46/1998 (Art. 36). Previously, official rates were updated with a delay; they are now published immediately and officially. This change allows economic agents to use more up-to-date rates in commercial and financial transactions.

In 2 key points

  1. Official exchange rates are updated on 9 January 2026 according to the ECB (texto fuente)
  2. Rates have official effect pursuant to Art. 36 of Law 46/1998 (art. 36 Ley 46/1998)

How it affects those involved

Traders, companies, and individuals conducting international operations must update their price and cost calculations using the new official rates. Financial institutions and asset managers must review their internal systems to ensure conversion accuracy. Advisors should inform clients about the new rates and update deadlines. The risk of errors in calculating profits or losses is reduced through timely official publication.

Lifecycle

2026-01-10PublishedPublished in the BOE
2026-01-09Into 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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