Bhutan

1. The Druk Gyalpo shall confer Dakyen to the leader or nominee of the party, which wins the majority of seats in the National Assembly, as the Prime Minister.
2. No person shall hold office as Prime Minister for more than two terms.
3. The Druk Gyalpo shall appoint Ministers from among the members of the National Assembly, on the recommendation of the Prime Minister, or shall remove a Minister on the advice of the Prime Minister.
4. A candidate for the post of Prime Minister or Minister shall be an elected member of the National Assembly and a natural born citizen of Bhutan.
... (Art. 17)

1. The Government shall protect and strengthen the sovereignty of the Kingdom, provide good governance, and ensure peace, security, well-being and happiness of the people.
2. The Executive Power shall be vested in the Lhengye Zhungtshog which shall consist of the Ministers headed by the Prime Minister.
… (Art. 20)