Joel, J.; Suharmadi, S.; Putra, Y. M. Assessing the Role of Exemption Certificates in Minimizing Import Income Tax Article 22 Prepayments: A Case Study of PT Sumber Alfa Makmur. belacoss 2026, 2 (1), 118-125. https://doi.org/10.66755/belacoss.v2i1.169.