Theoretical framework: The Kingdom of Saudi Arabia (KSA) has acknowledged the limitations of relying exclusively on oil reserves as the predominant revenue stream, as this approach hinders the country's ability to attain sustained economic expansion owing to the unpredictable nature and fluctuations of global oil market prices. Objective: The acceptability of the taxation system on consumer products and services in Saudi Arabia has increased as a result of the simplicity of the Value Added Tax (VAT) system. Despite the limited number of studies conducted on Value Added Tax (VAT) inside the Gulf Cooperation Council (GCC), this particular study represents one of the pioneering efforts to identify and analyze its impact, taking into account the recent law revisions. Consequently, this study possesses contemporaneity and pertinence in terms of offering novel perspectives to governing bodies regarding the value-added tax (VAT) framework, its reception, and the ramifications of income, declining purchasing power, governmental strategic decision-making, and the execution of diverse tax structure modifications. Method: A total of 519 replies were obtained through the implementation of a judgment or purposive sample methodology. To accomplish Convergent and Discriminant Validity, evaluate model fitness, and carry out Structure Equation Modelling (SEM), Smart PLS 3 is used. The researcher used SPSS (specifically version 25) to implement appropriate statistical procedures and processes in service of the study's principal aims. Implication: Moreover, the results indicate that the implementation of Value Added Tax (VAT) has an impact on individuals' income, leading to a decrease in their purchasing power. Additionally, it influences the government's approach to VAT and tax reforms in relation to the Saudi population. Result and Conclusion: The adoption of VAT in Saudi Arabia is significantly influenced by income as a mediating factor. The function of purchasing power in mediating the implementation of Value Added Tax (VAT) in Saudi Arabia is of considerable importance. Originality: The burden of value-added tax (VAT) is frequently transferred to the end consumer through price increases implemented by producers and distributors. The implementation of the Value Added Tax (VAT) system allows the government to generate income through a less visible means.
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