Indonesian SMEs must file SPT Tahunan every year. The 2025 season introduces Coretax, a new platform that replaces DJP Online for future filings, as mandated by PER-8/PJ/2025 and PER-11/PJ/2025. This comprehensive guide shows what SPT is, who must file, exact deadlines, and step-by-step instructions for both systems. Follow these expert-verified steps to avoid penalties and file on time.
SPT adalah Surat Pemberitahuan (Tax Return), the annual tax return that every individual and business with taxable income must submit to the Directorate General of Taxes (DGT), as specified in Law No. 36 of 2008 on Income Tax. It serves as your annual tax report where you list income, expenses, taxes already paid, and any balance due.
DJP Official Statement: “The implementation of Coretax represents a fundamental modernization of Indonesia’s tax administration system, designed to improve service quality and compliance efficiency.” – Director General of Taxes, January 2025⁴
Based on KEP-79/PJ/2025 and official DJP announcements:
Action Required: Complete 2024 filing in DJP Online by April 11, 2025, then establish Coretax account before next season, as per DGT Circular SE-07/PJ/2025.
According to Article 3 of Law No. 36/2008:
Individuals (Orang Pribadi):
Entities (Badan):
Non-residents:
Different rules apply per PMK-215/PMK.03/2023
Expert Insight: “Many SMEs mistakenly believe they don’t need to file if they’re unprofitable. This is incorrect – filing obligations exist regardless of financial results.”
Per KEP-79/PJ/2025 and Article 3 PMK-243/PMK.03/2014:
*Extension to 11 April 2025 for 2024 data only per DGT Announcement April 1, 2025; payment still due 31 March.
Identity Documents:
Financial Statements:
Withholding Slips (Bukti Potong):
Expense & Asset Records:
Tax Payment Proofs:
Client Testimonial: “The documents audit provided by JCSS Indonesia was incredibly helpful. We avoided the usual last-minute scramble and filed stress-free.”
2024 Return Filing via DJP Online (Deadline: April 11, 2025)
Step 1: System Access
Step 2: Form Selection
Step 3: Data Entry Process
Step 4: Document Upload
Step 5: Validation & Submission
Account Creation Process:
Key Differences from DJP Online:
System Administrator Note: “Coretax represents a significant improvement in user experience while maintaining the same underlying tax calculation rules.” – DGT IT Systems Division
Expert Tip: “The most common mistake we see is SMEs using Form 1770 S when they should use 1770. This happens when business income isn’t properly categorized.”
Penalty Structure per PMK-08/PMK.04/2017:
Correction Process:
Storage Requirements per PMK-252/PMK.03/2008:
Monthly Best Practices:
2026 Preparation Strategy:
Q: What is SPT Tahunan exactly?
A: SPT Tahunan is the mandatory annual income tax return that must be submitted to DGT, containing comprehensive information about your yearly income, expenses, and tax obligations as defined in Law No. 36 of 2008.
Q: When is the absolute deadline for SPT Tahunan 2025?
A: March 31, 2025 for individuals and April 30, 2025 for entities filing calendar year returns, as specified in KEP-79/PJ/2025⁵. The April 11 extension applies only to 2024 data.
Q: Do startups need transfer pricing documentation?
A: Yes, if related-party transactions exceed IDR 5 billion annually, as per PMK-213/PMK.03/2016¹⁵.
Q: What are penetration testing costs in Jakarta?
A: IDR 45–90 million per application, depending on scope and complexity.
Q: Is zero trust suitable for SMEs?
A: Recommended for companies with 30+ employees and high-sensitivity data requirements.
Our Free Resources:
[2025 Tax Calendar] – All critical deadlines and requirements
Have questions about Coretax setup, complex tax filings, or compliance strategies? Schedule a complimentary 15-minute consultation with our licensed tax experts.
Contact: [Email: [email protected]] | Schedule Online: [Booking Link]
Our Credentials:
Disclaimer: This guide provides general information only. Specific situations may require professional consultation. Tax regulations are subject to change.
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