La Corte Constitucional colombiana reconocio a traves de la nocion de bloque de constitucionalidad una apertura de la Constitucion hacia fuentes externas, que permite que su catalogo de derechos sea completado. En este articulo se realiza un analisis de las clausulas de reenvio o remision y de las normas pertenecientes al ordenamiento juridico interno que el juez constitucional ha considerado que delimitan el contenido del bloque, esto con el proposito de verificar su adecuada utilizacion y replantear el contenido del mismo. The Constitutional Court of Colombian acknowledged, through the concept of Constitutional Block, an opening of the Constitution to external sources that allows its rights’ catalogue to be completed. In this article, an analyzes is made of the forwarding or remission clauses, and the norms that belong to the internal juridical order, which the Constitutional Judge has considerate its delimitating the content of the Block. The purpose is to verify its adequate usage, and to rethink the content of it.