Application for re-use of data
Last update
It is possible to request the re-use of certain data held by Luxembourg public sector bodies for the purposes of a specific project.
This project must serve one of the following purposes:
- statistical analysis;
- education, training or teaching activities;
- scientific research;
- historical research;
- the evaluation of Luxembourgish or European public policies.
Your application must be submitted online. If it is approved, the data will be made available to you in a secure processing environment, in anonymised, pseudonymised and/or aggregated form.
Who is concerned
Any natural or legal person, whether governed by private or public law (including ministries, government departments and local authorities), may submit a request to re-use data held by Luxembourg public sector bodies.
Prerequisites
Before submitting an application for re-use of data, you must ensure you have a MyGuichet.lu business eSpace certified by the Government Commission for Data Sovereignty (CGSD). Once this certification has been obtained, the data re-use application process becomes accessible via your MyGuichet.lu business eSpace. You can then complete and submit the application.
You can also view our help page on the certification of a business eSpace.
How to proceed
Setting up a business eSpace
Create your business eSpace and have it certified by the Government Commission for Data Sovereignty (CGSD) by following the steps described here. For help with creating your certified business eSpace, please consult the User Guide – Creating a certified business eSpace, available on the Luxembourg Data Factory website www.letzdata.lu.
Filing an application
Applications for data re-use are submitted online via MyGuichet.lu.
The various steps required to submit an application for re-use of data are described here. The User Guide – Application for re-use of data and more detailed information are available on the Luxembourg Data Factory website www.letzdata.lu.
Supporting documents
Your application must include the following documents:
- the data re-use application form in PDF format, duly completed and signed by the applicant(s) and the public sector data holder(s);
- the plan of appropriate measures;
- the data description;
- the list of users.
The following documents are required only in certain cases:
- the data protection impact assessment;
- the information notice for data subjects;
- the agreement between the joint data controllers;
- the analysis of legitimate interests.
Online services and forms
Who to contact
Government Commission for Data Sovereignty, Luxembourg Data Authority department
- Address:
- 5, rue Plaetis L-2338 Luxembourg Luxembourg
- Phone:
- (+352) 247 67 700
- Email address:
-
ald@cgsd.etat.lu
For all legal questions regarding your request concerning the re-use of data
Related procedures and links
Related links
Further information
-
Let's Re-use Data!
on the website of LETZDATA
-
User guide and relevant documents related to the application for re-use of data
on the website of LETZDATA
Legal references
-
Regulation (EU) 2022/868 of the European Parliament and of the Council of 30 May 2022
on European data governance and amending Regulation (EU) 2018/1724 (Data Governance Act)
-
Loi du 19 décembre 2025
portant création du Commissariat du Gouvernement à la souveraineté des données et désignation des organismes et autorités compétents prévus aux articles 7, 13 et 23 du règlement (UE) 2022/868 du Parlement européen et du Conseil du 30 mai 2022 portant sur la gouvernance européenne des données et modifiant le règlement (UE) 2018/1724 (règlement sur la gouvernance des données) et du point d’information unique prévu à l’article 8 du règlement (UE) 2022/868 précité et portant modification de la loi du 1ᵉʳ août 2018 portant organisation de la Commission nationale pour la protection des données et du régime général sur la protection des données
