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DAC6 in Luxembourg, reportable cross-border arrangements.

FSL assists the identification and reporting of cross-border arrangements subject to DAC6: hallmark analysis, preparation and filing of the return. The legal analysis of sensitive situations is coordinated with your lawyer. FSL handles reporting and operational compliance; regulated legal advice and authorisations (CSSF) are coordinated with our partner lawyers.

In short

DAC6 (Directive (EU) 2018/822) requires reporting to tax authorities of certain cross-border arrangements bearing hallmarks of tax planning. In Luxembourg, concerned intermediaries and taxpayers must report within the set deadlines.

Legal basis

Directive (EU) 2018/822 (DAC6) amending Directive 2011/16/EU; Luxembourg transposition by the law of 25 March 2020. Filing via the ACD platform.

Key takeaway

  • DAC6 targets certain cross-border arrangements bearing hallmarks.
  • Reporting deadlines are short from the trigger event.
  • FSL prepares and files; sensitive legal analysis is coordinated.

Who this is for

  • Intermediaries (advisers, providers) and concerned taxpayers
  • Groups carrying out cross-border transactions
  • Holdings and investment structures

What we do

  • DAC6 hallmark analysis on your transactions
  • Preparation and filing of the return
  • Obligation and documentation tracking
  • Coordination of legal analysis with the lawyer

A free first call within 24 hours, with a dedicated contact. NDA from first contact.

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Preparation checklist

Get the list of documents and steps to start without friction.

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FAQ

Frequently asked questions

Who must report under DAC6?
In principle intermediaries (advisers, providers); failing that, the concerned taxpayer. We determine your obligation case by case.
What are the deadlines?
Reporting must occur within a short period (generally 30 days) from the trigger event. We track the deadlines for you.
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Which service, structure and timeline?

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