Based on the constitutional mandate issued Act 100 of 1993 and Decree-Law 1295 of 1994, rules that define the social security system and insurance ATEP.La reform aimed to solve the limitations that were in scope and coverage system and improve or maintain assistance and economic benefits that recognize the old system to the worker becomes ill or injured at work. Laws, regulations and social security standards, established and regulated in the effective model of comprehensive social security, develop a system of pensions, health, occupational hazards and complementary social services involving public and private entities.