<![CDATA[Pajak Pertambahan Nilai (PPN) is a type of tax that plays a strategic role in state revenue, but its administrative process is complex and involves various integrated stages. With the implementation of the Core Tax Administration System (Coretax) by the Directorate General of Taxes as part of tax administration reform, an information system is needed that can represent PPN business processes clearly, structured, and in accordance with applicable tax regulations. The purpose of this study is to design a PPN information system based on business process modeling using the Business Process Model and Notation (BPMN) integrated with the Directorate General of Taxes' Coretax website. The method used is applied research with a descriptive qualitative approach. Data collection techniques include literature studies, tax regulation analysis, and document analysis related to the PPN administration process. Business process modeling is conducted using BPMN to illustrate the PPN process flow. The results of this study are expected to produce a design and BPMN that is easily understood by taxpayers.]]>
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