This article offers an in-depth examination of tax monitoring and its critical role in ensuring the stability. It investigates the economic nature of tax monitoring, its function in strengthening revenue collection processes, and its contribution to maintaining fiscal discipline. Particular emphasis is placed on enhancing the effectiveness of monitoring mechanisms, improving tax administration practices, and ensuring compliance through systematic oversight. Using the example of ongoing reforms in the Republic of Uzbekistan, the study highlights practical approaches to optimizing tax monitoring systems and increasing budget reliability. The findings indicate that the continuous improvement of tax monitoring serves as a key instrument in reinforcing the financial sustainability and accountability of the state.