Ecuador

Article 120 states:

The National Assembly shall have the following attributions and duties, in addition to those provided for by law:…

• (2) To declare disempowering physical or mental disability preventing the President of the Republic from fulfilling his/her duties and to decide their termination of office in accordance with the provisions of the Constitution...

Article 142 states:

The President of the Republic shall be…in possession of his/her political rights, and not subject to any of the disqualifications or prohibitions provided for by the Constitution.

Article 145 states:

The President of the Republic shall cease to perform his/her duties and shall leave office in the following cases:…

• (4) Permanent physical or mental disability preventing him/her from performing his/her duties, as certified in accordance with the law by a committee of specialized physicians and so declared by the National Assembly with the votes of two thirds of its members…

Article 146 states:

In the event of a temporary absence from the Office of the President of the Republic, the President shall be replaced by the person holding the office of Vice-President. A temporary absence shall be understood as the result of illness or other force majeure circumstance that prevents the performance of duties for a maximum period of three months or the leave of absence granted by the National Assembly. In the event of the definitive absence of the President of the Republic, the person holding the office of Vice-President shall replace the President for time remaining to complete the corresponding presidential term of office. In the event of a simultaneous and definitive absence of the President and Vice-President of the Republic, the President of the National Assembly shall temporarily take on the office of President, and within forty-eight (48) hours, the National Electoral Council shall convene an election for these offices. Those who are elected shall perform their respective duties until the term of office has expired. If there is one year or less before expiry of the term of office, the President of the National Assembly shall take the office of the President of the Republic for what remains of the term of office.

Excerpts from the Constitution of the Republic of Ecuador (2008)

Article 9 states:

...exercising the right to vote will be…optional for people…older than 65 years of age…people with disabilities.

Excerpt from the General Rules for Elections During the Transitional Regime of the Constitution of the Republic (2008)