<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1692-2530</journal-id>
<journal-title><![CDATA[Opinión Jurídica]]></journal-title>
<abbrev-journal-title><![CDATA[Opin. jurid.]]></abbrev-journal-title>
<issn>1692-2530</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Medellín]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1692-25302017000100025</article-id>
<article-id pub-id-type="doi">10.22395/ojum.v16n31a1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La noción de acto administrativo: un análisis desde la discrecionalidad en la actuación de la Administración]]></article-title>
<article-title xml:lang="en"><![CDATA[The notion of the administrative act: an analysis from discretionality in Administration acting]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Güechá-Medina]]></surname>
<given-names><![CDATA[Ciro Nolberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Santo Tomás  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>16</volume>
<numero>31</numero>
<fpage>25</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1692-25302017000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1692-25302017000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1692-25302017000100025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La definición clásica de acto administrativo implica una expresión de voluntad de la Administración que surte o busca surtir efectos jurídicos, y en esta medida los criterios de unilateralidad y discrecionalidad han primado en la naturaleza de los mismos; sin embargo, en la presente investigación, se hacen nuevos planteamientos sobre dicha naturaleza, a partir de la inexistencia de discrecionalidad administrativa, con el fin de establecer un criterio adecuado en la definición y naturaleza jurídica del acto administrativo. El artículo contiene reflexiones y argumentaciones desde la doctrina, la jurisprudencia y la legislación colombina, pero con un criterio de derecho comparado, que permite un adecuado análisis del tema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The classic definition of the administrative action implies an expression of will of the Administration intended to take legal effects; in this way, unilateral and discretional criteria have prevailed in their nature; however, this research provides new statements on such nature from the nonexistence of the administrative discretion, in order to set the proper criterion in the juridical definition and nature of the administrative action. This article contains reflections and arguments from the Colombian doctrine, jurisprudence, and legislation, but holding a criterion of compared law which allows making a proper analysis of the topic.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Acto]]></kwd>
<kwd lng="es"><![CDATA[acto administrativo]]></kwd>
<kwd lng="es"><![CDATA[discrecionalidad]]></kwd>
<kwd lng="es"><![CDATA[formalismos]]></kwd>
<kwd lng="es"><![CDATA[unilateralidad]]></kwd>
<kwd lng="es"><![CDATA[efectos jurídicos.]]></kwd>
<kwd lng="en"><![CDATA[action]]></kwd>
<kwd lng="en"><![CDATA[administrative action]]></kwd>
<kwd lng="en"><![CDATA[discretion]]></kwd>
<kwd lng="en"><![CDATA[formalism]]></kwd>
<kwd lng="en"><![CDATA[unilateral]]></kwd>
<kwd lng="en"><![CDATA[legal effects.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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