The National Treasury derives its mandate from the Constitution 2010, the Public Management Act 2012 and the Executive Order No.2/2013.
The core functions of the National Treasury as derived from the above legal provisions include

• Formulate, implement and monitor macro-economic policies involving expenditure and revenue;
  Manage the level and composition of national public debt, national guarantees and other financial obligations of national government;
• Formulate, evaluate and promote economic and financial policies that facilitate social and economic development in conjunction with other national government entities;
• Mobilize domestic and external resources for financing national and county government budgetary requirements;
• Design and prescribe an efficient financial management system for the national and county governments to ensure transparent financial management and standard financial reporting.
• In consultation with the Accounting Standards Board, ensure that uniform accounting standards are applied by the national government and its entities;
• Develop policy for the establishment, management, operation and winding up of public funds;
• Prepare the annual Division of Revenue Bill and the County Allocation of Revenue Bill;
• Strengthen financial and fiscal relations between the national government and county governments and encourage support for county governments and
• Assist county governments to develop their capacity for efficient, effective and transparent financial management.
• To prepare the National Budget, execute/implement and control approved budgetary resources to MDAs and other Government agencies/entities.