Article 6 of the amended Grand-Ducal royal decree of the 9 July 1857 regarding the organisation of the Grand Duchy of Luxembourg's government states : "the Minister of State shall supervise the general course of affairs and shall ensure the uphold of the unity of principles which is to be applied in the various parts of the state ".
As the coordinator of the government's actions and bearing the responsibility of its unity, the position of the Prime Minister in the government unveils as singular regarding its preponderance and its essential action to guarantee the cohesion of the government and the effective implementation of the government's actions.
The Prime Minister thus presides the meetings of the Government Council and ensures the coordination of the general policy between the ministerial departments. The General Secretariat of the Government Council is assisting the Prime minister in carrying out this task.
The Information and Press Service of the Luxembourg government is part of the Ministry of State and informs the media, the general public and interested circles about the activities carried out by the government.
Certain policy areas fall naturally within the remit of the Ministry of State, and in particular, those related to the organisation of the State and the constitutional prerogatives of the government.
Therefore, the Ministry of State is tasked with the institutional relations with the Grand Ducal Court, the Chamber of Deputies and the Council of State. With regard to relations of the government and the Chamber of Deputies in particular, the Minister in charge of the relations with the Parliament assists the Prime Minister in carrying out that task. Operating under the umbrella of the Ministry of State, the Central legislation service coordinates all institutional relations between the government and the Chamber of Deputies as well as the Council of State. The Central legislation service is also responsible for the publication of the Official Journal of the Grand Duchy of Luxembourg.
State honours and awards as well as public ceremonies also fall within the remit of the Ministry of State. The Prime Minister ensures the duty of remembrance. The National Committee for remembrance carries out missions linked to that duty.
The services of the Ministry of State are also responsible for the organisation of legislative elections and European elections as well as referendums at the national level.
The role of the Prime Minister is that of an inter-ministerial coordinator. In this regard, the duties of the Ministry of State also include matters related to state security, such as the Office of the High Commissioner for National Protection, the State Intelligence Service. The Cybersecurity Board and the Computer Emergency Response Team are also an integral part of the Prime minister’s portfolio.
The Economic and Social Council and the Commission of rationalisation and economies (CER) also fall within the remit of the Prime Minister's duties, as are the relations with the Central Bank of Luxembourg. For the latter, the Prime minister works in consultation with the Minister of Finance.
The Consultative Commission on Human Rights, the "oeuvre nationale de Secours Grande-Duchesse Charlotte" and the relations with the mediator are also part of the Prime Minister's portfolio.
The Prime Minister represents the government on national, European and international level.
Other services presently depend on the Ministry of State.
The Communications and Media Service manages the responsibilities of the Minister for Communications and Media, namely the media, space, electronic communications and postal services, as well as data protection.
The competences of the Minister for Religious Affairs regroup the relations between the State and the religious communities and are administered by the services of the Ministry of State.