The law 550 of managerial Restructuring in Colombia arose in 1999 as a measure of contingency developed by the government to protect to the national industry before the crisis that was crossing the country in this decade. For ende the present work shows the development, the execution and the progress of the law 550 of 1999 from his birth up to his evolution mas suffers. Additional there were appearing very concrete cases and specific descriptions of the law that can manage to help later on to the businessmen who could manage to be in process of restructuring.