La presente Ley rige a partir de la fecha de su publicación.
Ley 293 de 1996 →In force
Article 4
Ley 293 de 1996 · Por medio de la cual se aprueba el "Mandato del Grupo Internacional de Estudio sobre el Níquel", adoptado el 2 de Mayo de 1986, por la Conferencia de las Naciones Unidas sobre el Níquel, 198
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Text of the article
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Constitutional history
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