Supplementary Protocol to the Agreement on Regional Co-operation in Combating Pollution of the South-East Pacific by Hydrocarbons or other Harmful Substances (July 22, 1983)

Countries/Territories	Entry into force	Ratification *	Simple signature
Chile	May 20, 1987	Feb 20, 1987 [1]	Jul 22, 1983
Colombia	May 20, 1987	Aug 6, 1985 [1]	Jul 22, 1983
Ecuador	Jan 11, 1988	Nov 12, 1987 [1]	Jul 22, 1983
Panama	May 20, 1987	Jul 23, 1986 [1]	Jul 22, 1983
Peru	Apr 5, 1989	Feb 7, 1989 [1]	Jul 22, 1983

* [1] Ratification [2] Accession/approbation [3] Acceptance/approval [4] Succession [5] Consent to be bound [6] Definite signature