This paper entitled "Internal Control in the budget office and rationalization and its relationship with the budget execution in the district municipalities of El Dorado, 2015 period", aims to answer the question: Is there a relationship between the internal control in the budget office and rationalization and budget execution in the district municipalities of El Dorado, 2015 period ?, whose possible answer: Hi: If there is a relationship between the internal control in the budget office and rationalization and budget execution in the district municipalities El Dorado, period 2015. And H0: There is no relationship between the internal control in the budget office and rationalization and budget execution in the district municipalities of El Dorado, 2015 period. This work corresponds to the non-experimental and correlational design; I counted on a population consisting of the number of wor...