The main objective of the final report was to know the incidence of the Internal Control System in the Acquisition of Goods and Services in the Sub Regional Management of Ucayali Contamana, 2023. Carrying out an applied type study of an explanatory level with a non-experimental design, whose The population was 50 administrative workers, to whom a questionnaire was applied to collect information. The results showed that the internal control system is regular (40%); For its part, the acquisition of goods and services is classified as regular (38%). It has been determined that the Internal Control System significantly affects the Acquisition of Goods and Services, being evidenced by a correlation of 51.8% and a value of 0.000; Likewise, the control environment dimension has a coefficient of 0.502 and a significance of 0.000; For their part, the control activities are supported by a coeffici...