Article No.52 of the Constitution of United Republic of Tanzania of 1977, the Prime Minister is responsible for supervision and control of the activities of Sectoral Ministries and the leader of Government Business in the National Assembly.
With assignment of the Ministerial responsibilities through Government Notice No. 20 of February 2008, the Prime Minister is also responsible for the following sectors and sub-sectors:-

Government Press,
Disaster Preparedness and coordination of management of civic contingencies (relief),
National Festival and Celebrations,
Tanzania Commission for AIDS (TACAIDS),
Drugs Control Commission,
Tanzania Investment Centre and
Tanzania National Business Commission.