The body charged with implementing GNH in Bhutan is the Gross National Happiness Commission. The GNH Commission is composed of the Prime Minister as the Chairperson, Secretaries each of the ministries of the government, and the Secretary of the GNH Commission. The GNH Commission's tasks include conceiving and implementing the nation's 5-year plan and promulgating policies. The GNH Index is used to measure the happiness and well-being of Bhutan's population. A GNH Policy Screening Tool and a GNH Project Screening Tool is used by the GNH commission to determine whether to pass policies or implement projects. The GNH Screening tools used by the Bhutanese GNH Commission for anticipating the impact of policy initiatives upon the levels of GNH in Bhutan.