Abstract :
This study aims to determine whether tax knowledge and the benefits of PPh Article 23/26 E-Bupot system can affect the efficiency of tax data processing in Palembang. The theory used in this research is the Technology Acceptance Model (TAM). The population in this study are all corporate taxpayers who are registered at KPP Pratama Palembang. The sample is determined using the purposive sampling method. Hypothesis testing uses multiple regression analysis methods with the help of the SPSS ver-20 program. The results of this test indicate that the first hypothesis (H1) which states tax knowledge Affects the efficiency of tax data processing, is accepted. The second hypothesis (H2) states that the benefits of PPh Article 23/26 E-Bupot system does not affect the efficiency of tax data processing, is rejected.