The first, the Additional Protocol to the American Convention on Human Rights in the area of Economic, Social, and Cultural Rights (more commonly known as the "Protocol of San Salvador"), was opened for signature in the city of San Salvador, El Salvador, on 17 November 1988.
The second, the Protocol to the American Convention on Human Rights to Abolish the Death Penalty, was adopted at Asunción, Paraguay, on 8 June 1990.