One of the constant criticisms of the contentious-administrative jurisdiction in Colombia is the lack or lack of regulation of effective and real precautionary measures to ensure the enforceability of judgments issued in contentious-administrative proceedings. The purpose of this text is to make an approach to the new regime of precautionary measures of the contentious-administrative jurisdiction, regulated by Law 1437 of 2011, in order to establish its contribution to the development of effective judicial protection and the protection of the substantial rights of citizens; aimed, on the one...