The government decree amendment regarding the creation of the post of minister without portfolio responsible for the Paks II. investment was published on 12 April in the Hungarian Gazette and came into force the following day. The Parliament’s Economic Committee and Sustainable Development Committee both supported his appointment on 18 and 19 April. The president of Hungary appointed János Süli to minister without portfolio responsible for the design, construction and installation of the two new nuclear power plant units of Paks on 26 April in the Sándor Palace with effect from 2 May. Süli took his oath that day before the Parliament.

The minister’s task is the professional management and coordination of the implementation of the agreement of the two new nuclear power plant units’ design, acquisition and the implementation of the nuclear fuel supply agreement. He is also responsible for the inter-ministerial coordination of tasks related to the agreements, licensing and other official duties. The minister is responsible for the timely provision of information to the Minister of the Prime Minister’s Office in accordance with the EU's reporting requirements in the implementation of the agreement on the planning, procurement and construction and the provision of nuclear fuel supply. The minister is also responsible for coordinating the regional development connected to the two new nuclear power plant units and the coordination of the innovation tasks of the nuclear industry.