9 written questions · 2019–2026 · last question 7 Apr 2026
Digital state: MyGuichet, RNPP, tax administration (ACD)
Recurring questions on the national register (RNPP), e-ID and signatures, digital tax cards and returns, and ACD service quality. They also cover outages and the legal value of administrative emails.
Outcome so far
Digital tax cards on MyGuichet since 1 May 2021 (QP 5298); RNPP statistics published quarterly as open data (QP 7165); target 85% digital tax returns by 2028 (QP 3879).
Status
Answered.
What I'm asking next
Digital tax-return rate actually reached for tax year 2025 against the 20% goal.
The questions
Newest first. Each question links to the full text and the government's answer on chd.lu (in French); the summaries are ours. Question numbers restart with each legislature.
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· QP 3879 · to Gilles Roth
Digitalisation de la déclaration d'impôt au Luxembourg
Answer: Goal of 20% digital returns for tax year 2025 and 85% by 2028; paper stays available.
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· QP 3780 · to Gilles Roth
Contactcenter de l'Administration des contributions directes (ACD)
Answer: 30 FTE plus 5 external staff, 86% utilisation; no staff increase decided.
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· QP 3423 · to Serge Wilmes
Identification et valeur juridique des courriels émis par les administrations
Answer: Mails should name the official; informative emails are not appealable acts.
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· QP 2901 · to Stéphanie Obertin
Compatibilité entre les moyens d'identification eIDAS et MyGuichet
Answer: Foreign eIDAS means cannot sign on MyGuichet; eIDAS2 wallet will fix it.
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· QP 1717 · to Stéphanie Obertin
Signature électronique
Answer: E-signature on MyGuichet unavailable 1-2 Jan 2025 due to the central certificate provider.
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· QP 7165 · to Marc Hansen
Statistiques concernant le Registre national des personnes physiques
Answer: CTIE publishes RNPP statistics quarterly on the open data portal.
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· QP 5298 · to Pierre Gramegna
La fiche de retenue d'impôt en ligne
Answer: Employers get digital tax cards on MyGuichet since 1 May 2021.
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· QP 440 · to Marc Hansen
La consultation du Registre national des personnes physiques
Answer: Explains legal basis for administrations' RNPP consultations.
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· QP 334 · to Xavier Bettel
L'utilisation du fax par les administrations
Answer: eIDAS gives no automatic equivalence between e-registered mail and paper.