The aim of this research is to determine the effect of tax compliance, tax supervision, tax audit on income tax revenue of individual taxpayers engaged in retail business at KPP Pratama Kupang partially and simultaneously. The data analysis technique used in this research is a multiple linear analysis technique. The data collection technique was carried out by distributing questionnaires offline and online. The sample used in this research was 100 individual retail business taxpayers registered with KPP Pratama Kupang. The results of this research show that partially, tax compliance, tax supervision, and tax audit have an impact on income tax revenue of individual retail business taxpayers. Meanwhile, simultaneously the variable of tax compliance, tax supervision, and tax audit together have a impact on income tax revenue of individual retail business taxpayers.

This study was suppose to determine the influence of tax amnesty and tax sanctions on individual tax-payers compliance at KPP Pratama Kupang. This research type is quntitive research with incidental sampling as the sampling technique. The sample in this research are the 100 individual tax payers registered in KPP Pratama Kupang. The method of collecting data in this study is using a questionnaire. The research instrument is analyzed using validity and reliability tests. Data analysis technique used in this study are classical assumptions test and multiple linear regression analysis. The analytical tool used is the Statistical Package for the Social Sciences 26 (SPSS 26). The results of this study indicate that: tax amnesty and tax sanctions influence both partially and simltaneously on induvidual tax-payers compliance registered in KPP Pratama Kupang.

This research aims to analyze the tax outreach efforts that have been carried out and taxpayers' tax knowledge in an effort to increase individual taxpayer compliance at the Pratama Kupang Tax Service Office (KPP). This research focuses on the effectiveness of tax socialization that has been carried out, the level of tax knowledge of taxpayers and the level of compliance of individual taxpayers. The research method used is descriptive qualitative where data is collected through in-depth interviews, observation and documentation. The research results show that tax socialization and tax knowledge are interconnected and together influence the level of compliance of individual taxpayers at KPP Pratama Kupang both in terms of accuracy of reporting and tax payments.