In the case of the Cook Islands and Niue, the details of their free association arrangement are contained in several documents, such as their respective constitutions, the 1983 Exchange of Letters between the governments of New Zealand and the Cook Islands, and the 2001 Joint Centenary Declaration.
No caso das Illas Cook e Niue, os detalles do seu acordo de libre asociación están recollidos en varios documentos, como as súas respectivas constitucións, o intercambio de cartas de 1983 entre os gobernos de Nova Zelandia e as Illas Cook, e a Declaración Centenaria Común de 2001.