“…Then, a large percentage of the partial determination coefficient value of the tax administration system's modernization on individual taxpayer compliance is 82.63%. Meanwhile, the remaining 17.37% is influenced by other factors not examined in this study, such as quality of tax services, perceptions of the effectiveness of the tax system, tax sanctions, social norms, trust in government, and others (Bunyamin et al, 2020). Results are supported by previous research conducted by Gashenko et al (2017) that modernization of tax administration system positively affects taxpayer compliance, whereas, in Biletska's (2020) research, modernization of tax administration system cannot be used as an effort to increase mandatory compliance tax.…”