The Parliament elects the Prime Minister, who is thereafter appointed to the office by the President of the Republic. The President appoints the other Ministers in accordance with a proposal made by the Prime Minister.
Before the Prime Minister is elected, the groups represented in the Parliament negotiate on the political programme and composition of the Government. On the basis of the outcome of these negotiations, and after having heard the Speaker of the Parliament and the parliamentary groups, the President informs the Parliament of the nominee for Prime Minister. The nominee is elected Prime Minister if his or her election has been supported by more than half of the votes cast in an open vote in the Parliament.
… (Sec. 61)