The purpose of this work was to determine the relationship between internal control and the fulfillment of the functions of the personnel in the Provincial Municipality of Maynas, year 2019; this being a descriptive-correlational study and non-experimental design, whose study sample was made up of 67 workers, in addition, having used the survey as a technique and the questionnaire as an instrument for data collection, and applied to the sample points It has been concluded that the application of internal control in the MPM is poor, because there is minimal evidence of the entity's commitment to develop control activities, in addition that the risks are not being properly assessed, which often does not allow that the activities are programmed correctly, and also the deficiencies in the information and communication are a determining factor to establish the responsibility, objectives and g...