[en] Paraguay at the moment has two Laws that Regulate the Radiological Protection and Nuclear Security, the Law 1081/65 that create the Comision Nacional de Energia Atomica (from now on CNEA) as Regulatory Authority and the Law 836/80 Sanitary Code gives the Ministry Public Health and Social Well-being (from now on MSPyBS) also as Regulatory Authority. The 'Mission Pair Review' through the Model Project of the National Program Regulatory Control and Occupational Radiological Protection (RLA/9/041-OIEA) carried out in the 2003, arrived at of the conclusion in general form that these laws are not completely coherent with the International Standards and they recommended that a new Law should be promulgated Unique Radiological and Nuclear Security, consistent with the International Standards. Due to these recommendations and in view to a better Regulatory Control the Presidency of the Republic for Ordinance No: 3414 create a Inter-institutional Commission coordinated by a representative the Vice presidency the Republic, to revise the effective Legal and institutional frame with relationship to the regulation: the use, control, transport, radioactive and ionizing procedures with the purpose of constituting an National Authority, taken charge at grade Unique and Independent Regulatory of the control of all the related with radiological, radioactive and ionizing materials and to strengthen the Physical and Nuclear Security of the same ones. This Authority will control also de illicit traffic and all kind of transportation of radioactive material through the territory. The Commission Inter-institutional was represented for: The Vice Presidency of the Republic (Coordinator), the CNEA, the MSPyBS and the Ministry of external relationships. After several work meetings the document was elaborated of the Draft design Law to be presented to the National Congress for their study and approval. The group conformed by technician of the CNEA summoned for this end, presented the following preliminary design Law. (author)