D3 Taxation Study Program Public Lecture Activities: International Guest Lecture with the theme “Implementation of The Coretax System In Foreign Investment Companies”
On Tuesday, 22 July 2025, the Diploma III Taxation Study Program, Faculty of Economics and Business, Udayana University held an International Guest Lecture with the theme “Implementation of The Coretax System in Foreign Investment Companies”, conducted online via Zoom Meetings.
The speaker was Ni Made Dwi Bita Ardani, Tax Staff at PT/PMA Inner Seas Adventures, who shared insights on the implementation of the Coretax Administration System, a digital taxation administration system developed by the Directorate General of Taxes. She explained various key features of Coretax, such as generating withholding tax proofs for PPh Article 21 and 23, issuing VAT invoices, submitting periodic tax returns (SPT Masa), and generating billing codes.

This event aimed to enhance participants’ understanding and technical skills in operating the Coretax system in accordance with applicable tax regulations. The activity also included digital simulations, practical case studies, and interactive discussion sessions between the speaker and participants to discuss the application of Coretax in corporate taxation practice.



UDAYANA UNIVERSITY