The present investigation was carried out in the District Municipality of Cochorco, whose general objective was to base on how the application of Law No. 30057 - Civil Service Law affects the work performance of the servers of the District Municipality of Cochorco, province of Sánchez Carrión, year 2016. The problem posed was: How did the application of Law No. 30057 with respect to the methodology, a non-experimental investigation of causal correlational transactional design was developed; The population was formed by the 44 servers of the District Municipality of Cochorco, constituting at the same time as the sample as this is a relatively small entity; As for the data collection, the survey technique was applied, the questionnaire being its respective instrument; Additionally, the documentary review and evaluation form were used. The main result is that the current performance of th...