Decoding Indonesia Latest Tax Reporting System

Indonesia’s tax landscape has undergone significant changes with the issuance of PER-11/PJ/2025, which introduces a modernized framework for tax reporting and compliance. The regulation is designed to simplify the process for taxpayers, enhance transparency, and align Indonesia’s tax administration with digital-era requirements. For businesses, tax professionals, and government institutions, understanding the mechanics of PER-11/PJ/2025 is crucial for ensuring compliance and avoiding penalties. 

The Core of PER-11/PJ/2025: Unified Withholding Tax Mechanism 

The government has issued Director General of Taxes Regulation No. PER-11/PJ/2025 to outline the rules for reporting various taxes, including Income Tax, Value Added Tax, Luxury Goods Sales Tax, and Stamp Duty, as part of implementing the Core Tax Administration System (Coretax).  

This regulation was issued to provide legal certainty, simplify administration, improve services, and implement updates to the Coretax. Therefore, adjustments to technical provisions regarding reporting Income Tax (PPh), Value Added Tax (PPN), Luxury Goods Sales Tax (PPnBM), and Stamp Duty are necessary. 

PER-11/PJ/2025 is the unified withholding tax mechanism. This system consolidates multiple separate reporting obligations into a single, simplified process. Traditionally, taxpayers were required to submit multiple forms for withholding and collection, which often led to redundancy and increased administrative burden. The unified approach reduces duplication and allows for easier monitoring by tax authorities. 

The mechanism applies to both government institutions and private entities that act as withholding agents or collectors of income tax. Under this system, taxpayers are responsible for: 

  1. Withholding or collecting income tax on payments such as salaries, service fees, and other taxable transactions. 
  2. Reporting the withheld or collected tax using a unified withholding tax return. 
  3. Remitting the tax within the prescribed deadlines. 

This integrated framework ensures that all withholding and collection activities are consolidated, reducing errors and improving the accuracy of reported information. 

 

Unification Withholding Tax Slip 

The unification withholding tax slip is a core document under PER-11/PJ/2025. It serves as proof of the income tax that has been withheld or collected. Taxpayers preparing this slip must obtain the necessary information from the parties from whom the tax is withheld or collected. Required details include: 

  • NPWP (Taxpayer Identification Number); or 
  • Single identity number, for those without an NPWP. 

For foreign taxpayers, additional information such as another recognized tax identity is required. The slip provides transparency and facilitates reporting to the tax authorities. 

 

Filing and Payment Deadlines 

The Regulation clarifies the key deadlines for withholding agents and collectors: 

  • Payment of withheld or collected income tax must be made no later than 10 days after the tax period ends. 
  • Payment of self-paid income tax is required no later than 15 days after the tax period ends. 
  • Submission of the unified withholding tax return is due no later than 20 days after the tax period ends. 

By standardizing these deadlines, the regulation ensures predictability and reduces confusion about reporting obligations. 

 

Advantages of PER-11/PJ/2025 

  1. Simplification of Reporting Processes. By unifying multiple forms into a single reporting mechanism, PER-11/PJ/2025 significantly reduces administrative complexity. Businesses no longer need to prepare separate reports for each type of withholding, allowing finance teams to focus on strategic financial management instead of repetitive paperwork.
  2. Improved Accuracy and Transparency. The unified slip consolidates all withheld and collected taxes, minimizing the risk of errors. It also improves transparency between taxpayers and the Directorate General of Taxes, making audits more straightforward and reducing disputes. 
  3. Digital Integration. PER-11/PJ/2025 is designed to operate within CoreTax, Indonesia’s digital tax administration platform. This integration enables online submission, automated calculations, and real-time monitoring. Businesses can track their compliance status and generate reports directly from the platform, reducing manual effort and increasing efficiency. 
  4. Compliance Encouragement. The clarity of deadlines, simplified reporting, and digital integration collectively encourage voluntary compliance. Taxpayers are less likely to miss payments or submissions, which helps prevent penalties and interest charges.

 

Key Considerations for Businesses 

  • Internal Processes and Coordination. Organizations must update their internal accounting and payroll processes to align with the unified withholding system. This may involve integrating tax calculations into payroll software, establishing approval workflows for withholding slips, and coordinating between finance, HR, and operations teams.   
  • Training and Capacity Building. Given the procedural changes under PER-11/PJ/2025, businesses may need to provide training for staff involved in tax compliance. Understanding the correct method for preparing slips, submitting returns, and paying taxes on time is essential to prevent errors and fines.   
  • Interaction with Other Regulations. While PER-11/PJ/2025 streamlines withholding tax reporting, businesses must ensure consistency with other tax obligations, such as corporate income tax returns, VAT reporting, and other sector-specific requirements. Integration across different tax areas is crucial for complete compliance. 

Practical Tips for Smooth Implementation 

  1. Digital Adoption: Fully leverage Coretax for calculations, submission, and reporting. 
  2. Check Data Accuracy: Ensure all NPWP or tax identity numbers are correct to avoid rejection. 
  3. Set Internal Deadlines: Align internal reporting deadlines ahead of official deadlines to ensure timely submission. 
  4. Document Retention: Maintain copies of all slips, reports, and payment proofs for audit purposes. 
  5. Regular Training Updates: Continuously educate staff about updates or changes in the PER-11/PJ/2025 procedures. 

 

Conclusion 

PER-11/PJ/2025 marks a significant step forward in Indonesia’s tax administration by simplifying withholding tax reporting, integrating digital processes, and enhancing transparency. For businesses and government institutions acting as withholding agents, understanding and implementing the unified mechanism is essential to maintain compliance, reduce administrative burden, and avoid penalties. 

By leveraging Coretax, preparing accurate withholding tax slips, and adhering to the standardized deadlines, organizations can navigate the current tax reporting system effectively. Embracing these changes not only ensures compliance but also positions businesses to operate more efficiently in Indonesia’s evolving fiscal landscape. 

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