Shortly afterwards, on 3 March 1951, the Island Regulation of the Netherlands Antilles (Dutch: Eilandenregeling Nederlandse Antillen or ERNA) was issued by royal decree, giving fairly wide autonomy to the various island territories in the Netherlands Antilles.
Pouco despois, o 3 de marzo de 1951, o Regulamento insular das Antillas Neerlandesas (neerlandés: Eilandenregeling Nederlandse Antillen ou ERNA) foi emitido por Real Decreto, dando ampla autonomía aos distintos territorios insulares das Antillas Neerlandesas.