Criterion of exclusion: – studies that approach the licitations without if coming back toward the centered acquisition. Initially one will be to the description and the definition of the licitation and the register of prices in the Brazilian legal system.

After that, it will be seen the differentiation between type and modality of licitation. Amongst the modalities, emphasis for the proclamation used in the SRP will be given. The central boarding of the subject dealt with the SRP specifically, its concept, definition, advantages, disadvantages, procedures for implantation, among others. It was treated, also, on the centered acquisition, approaching the ODS that carry through centered licitations citing examples of purchases that are made in those agencies, beyond defining the advantages and the disadvantages of if carrying through a centered licitation. In the analysis of the data of acts of proclamation and the results for supplier, extracted of the Comprasnet, by sampling, in a total of 100 (one hundred) proclamations, two item of permanent material and two item of consumption material had been analyzed. Finally, an analysis of the percentage of economy of public resources was made, comparing the licitatrios processes carried through centralizadamente and the carried through processes of form not centered. 3 RESULTS AND QUARREL vocbulo ‘ ‘ licitao’ ‘ it comes from the Latin licitationem, derived from licitatio or licitationis, whose meant he is ‘ ‘ procedure for which the Public Administration selects the proposal most advantageous, when purchase goods and services or makes others transaes’ ‘. The Brazilian Administrative law attributes the direction to it of previous administrative procedure necessary to make possible contracts of Administration, mainly from the reform administrativa2.