Title II. The Parliament
Article 12
The power to make laws resides in the parliament with the King.
Article 13
The parliament is composed of two co-legislative bodies, equal in power: the Senate and the Congress of Deputies.
Title III. The Senate
Article 14
The number of senators will be equal to three-fifths of deputies.
Article 15
Senators are appointed by the King on the proposal, in triple list form, of the voters who in each province appoint deputies to the parliament.
Article 16
It is the duty of each province to propose a number of senators in proportion to its population, but no province shall cease to have at least one Senator.
Article 17
In order to be a Senator it is required to be a Spaniard more than forty years old and to have a means of subsistence and the other requirements as determined by the electoral law.
Article 18
All Spaniards who meet these qualities can be nominated by senators for any province of the Monarchy.
Article 19
Each time there is a general election of deputies by reaching the end of their term or by being dissolved by Congress, there shall be a renewal in order of seniority of one-third of the Senators, who may be reelected.
Article 20
The sons of King and the immediate heir of the Crown shall be senators at the age of twenty-five.