American Convention of Human Rights.
Adopted in 1969, entry into force on 18 juillet 1978.
Article 4. Right to Life
1. Every person has the right to have his life respected. This right shall be protected by law and, in general, from the moment of conception. No one shall be arbitrarily deprived of his life.
2. In countries that have not abolished the death penalty, it may be imposed only for the most serious crimes and pursuant to a final judgment rendered by a competent court and in accordance with a law establishing such punishment, enacted prior to the commission of the crime. The application of such punishment shall not be extended to crimes to which it does not presently apply.
3. The death penalty shall not be reestablished in states that have abolished it.
4. In no case shall capital punishment be inflicted for political offenses or related common crimes.
5. Capital punishment shall not be imposed upon persons who, at the time the crime was committed, were under 18 years of age or over 70 years of age; nor shall it be applied to pregnant women.
6. Every person condemned to death shall have the right to apply for amnesty, pardon, or commutation of sentence, which may be granted in all cases. Capital punishment shall not be imposed while such a petition is pending decision by the competent authority.
Protocol to the American Convention on Human Rights to abolish the death penalty.
Adopted in June 1990, entry into force on 28 August 1991.