In the process of this research, the methods type of study is Descriptive - Non-Experimental, to investigate the internal control and its incidence in the Management of the Treasury Area in the Municipalities in Peru, case: District Municipality of Samanco - Province del Santa, Year 2019. The main objective of the research was to determine the incidence of internal control in the management of the treasury area of the District Municipality of Samanco - Province of Santa, 2019, it should be noted that for the process of this research Documentary review, interview and observation techniques were used, on the other hand, the population is made up of 16 administrative workers from the District Municipality of Samanco who were interviewed.
