Es obligación de las entidades contratantes retener de manera proporcional al pago o pagos realizados al contratista, el porcentaje correspondiente a la contribución de estampilla definido según el Artículo 8° de la presente ley.
Ley 1697 de 2013 →In force
Article 9
Causación
Ley 1697 de 2013 · por la cual se crea la estampilla Pro Universidad Nacional de Colombia y demás universidades estatales de Colombia.
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Text of the article
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Constitutional history
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