This paper aims to study the new procedure adopted by the Code of Civil Procedure of 2015 for the application of disregard of legal personality. It seeks to understand the procedure of an incidental process that may occur even in the knowledge phase in order to guarantee future execution. In this sense, the research presents a tour of the institute starting from its origin, passing through its emergence in Brazilian doctrine and jurisprudence, by the regulation in legal texts of our legal order, arriving at the current procedure adopted in the procedural sphere