The Directorate General of Taxes (DGT) will send an email blast to 14.01 million taxpayers as part of its effort to enhance compliance for the filing of the 2025 Annual Tax Return (SPT Tahunan). This initiative aims to ensure that taxpayers fulfill their tax obligations in accordance with prevailing regulations.
The Director of Public Relations and Counseling Services at DGT, Inge Diana Rismawanti, stated that the email blast is intended to provide information and encourage taxpayers to:
- Prepare and issue tax withholding slips (bukti potong / bupot)
- File their 2025 Annual Tax Return promptly
DGT Email Blast Targets
The total target of the email blast is 14.01 million taxpayers, consisting of:
- 1.43 million Employer Taxpayers
- 11.38 million Individual Taxpayers
- 1.19 million Corporate Taxpayers
This initiative is expected to increase awareness and compliance ahead of the filing deadlines.
Annual Tax Return Filing Deadlines
Pursuant to the Undang-Undang Ketentuan Umum dan Tata Cara Perpajakan (Law on General Provisions and Tax Procedures / KUP Law), the filing deadlines are as follows:
Individual Taxpayers
No later than March 31, 2026
(Three months after the end of the tax year)
Corporate Taxpayers
No later than April 30, 2026
(Four months after the end of the tax year)
Taxpayers are strongly advised not to postpone filing until the last minute to avoid potential technical issues or system congestion.
Late Filing Penalties
Late submission of the Annual Tax Return will result in administrative penalties in the form of fines:
- IDR 100,000 for Individual Taxpayers
- IDR 1,000,000 for Corporate Taxpayers
Timely compliance is essential to avoid additional financial burdens.
Annual Tax Filing Through the Coretax System
Starting this year, Annual Tax Returns must be filed online through the Coretax System, which is designed to improve efficiency and streamline the tax reporting process.
Before filing, taxpayers must:
- Activate their Coretax account
- Ensure that all data and tax withholding slips are complete and accurate
With proper preparation and early filing, taxpayers can fulfill their obligations smoothly, securely, and in full compliance with applicable tax regulations.

