The main Labor law is Decree-law nr. 5452, promulgated on May 1st. 1943, known in Brazil as CLT - Consolidacao das Leis do Trabalho (Consolidation of Labor Laws). Click the link for an integral and updated version of the C.L.T.; not surprisingly, this law had many alterations over its over 70 years of existance; click to see a historic of alterations in CLT