Data entry notes:
Agreement Between Chile, Ecuador and Peru Signed at the First Conference on the Exploitation and Conservation of the Maritime Resources of the South Pacific, Santiago - Regulations Governing Whaling in the Waters of the South Pacific; NOTE: This is coded as an agreement since the original document demonstrates that it was signed and ratified by the relevant countries. All three signatories ratified the agreement. Though no explicit clause in the agreement addresses entry into force, it is assumed that it entered into force on the date of ratification by the third signatory state.