Israel

The State is headed by a President. (Basic Law: The President of the State (1964), Sec. 1)

(a) The President of the State is elected by the Knesset for seven years.
... (Basic Law: The President of the State (1964), Sec. 3)

Every Israeli citizen, who is a resident of Israel, is eligible to be a candidate for the office of President of the State. (Basic Law: The President of the State (1964), Sec. 4)

The Government is the executive branch of the State. (Basic Law: The Government (2001), Sec. 1)

(a) The Government is made up of the Prime Minister and other ministers, and in a rotation government - also the Alternate Prime Minister.
(b) The Prime Minister, and in a rotation government –the Alternate Prime Minister as well, shall be from among the Members of the Knesset. Another minister need not be from among the Members of the Knesset.
... (Basic Law: The Government (2020), Sec. 5)

(a) A person who is not an Israeli citizen or a resident of Israel shall not be appointed as minister.
…
(d) A person shall not be appointed as minister if he has a citizenship that is other than Israeli, if the laws in the country of which he is a citizen enables his release from this citizenship, only after he has done whatever is necessary on his part to be released from it.
… (Basic Law: The Government (2001), Sec. 6)

(a) Once a new government must be formed, after consulting the representatives of the Parliamentary Groups, the President of the State shall assign the task of forming a government to one of the Knesset Members, who has agreed to do so.
… (Basic Law: The Government (2001), Sec. 7)

…
(c) The Member of the Knesset who formed a government shall head it.
(d) Once the Government has been formed, it shall present itself before the Knesset, announce the guidelines of its policy, its make-up, and the distribution of functions, or spheres of activity among the Ministers, and shall request an expression of confidence. The Government shall be formed once the Knesset has expressed confidence in it, and from that moment the Ministers shall assume office. (Basic Law: The Government (2001), Sec. 13)

The Knesset is the house of representatives of the State. (Basic Law: The Knesset (1958), Sec. 1)

Upon its election the Knesset shall consist of one hundred and twenty Members. (Basic Law: The Knesset (1958), Sec. 3)

The Knesset shall be elected in general, national, direct, equal, secret, and proportional elections, in accordance with the Knesset Election Law. This article may not be changed save by a majority of the Knesset Members. (Basic Law: The Knesset (1958), Sec. 4)

A list of candidates for the Knesset shall be submitted by a party only. The manner for association and registration of parties, and the conditions for submitting a list of candidates, shall be prescribed by law. (Basic Law: The Knesset (1958), Sec. 5A)

(a) Every Israeli citizen, who on the day of the submission of a list of candidates, which includes his name, is twenty one years old and above, is entitled to be elected to the Knesset, unless a court of law has deprived him of this right by virtue of the law, or who has been sentenced, in a final verdict, to actual imprisonment for a period of over three months, and on the day of the submission of the list of candidates seven years have not lapsed from the day on which he finished serving the actual imprisonment, and if he was convicted of a serious terror offence, or a serious security offence, as prescribed by law, was sentenced, in a final verdict, to an actual prison sentence for a period of over seven years imprisonment, and on the day of the submission of the list of candidate 14 years have not lapsed from the day that he finished serving the actual imprisonment, unless the Chairperson of the Central Elections Committee determined that the offence for which he was sentenced, in the circumstances of the case, did not involve turpitude.
... (Basic Law: The Knesset (1958), Sec. 6)