2026 Tax Calendar

Indonesia tax deadlines 2026 for Bali businesses and finance teams

A practical 2026 guide to recurring PPh and PPN deadlines plus annual SPT filing dates. Built for Bali SMEs, PT PMA companies, and operators who need a cleaner tax calendar.

·9 min read

What this 2026 deadline guide actually covers

When owners search for Indonesia tax deadlines 2026, they are usually trying to manage two things at once: the recurring monthly filing cycle during 2026 and the annual filing season in March and April 2026 for tax year 2025.

For business teams using a calendar-year tax period, the main annual dates are straightforward. Individual annual returns are generally due within three months after year-end, while corporate annual returns are due within four months after year-end. That means March 31, 2026 for individuals and April 30, 2026 for companies, unless a specific administrative change is announced.

The recurring monthly cycle is equally important because late monthly work creates a backlog that makes annual filing harder. If your bookkeeping, payments, and reporting are not aligned by month, annual SPT season becomes a clean-up project instead of a filing project.

Monthly tax deadlines for 2026

The table below is the recurring pattern most Bali SMEs and PT PMA finance teams work from. It gives you a stable monthly framework for planning, even though you should still check official announcements for holiday shifts and system updates.

Tax typePayment deadlineFiling deadlineNotes
PPh 2110th of the following month20th of the following monthEmployee withholding tax.
PPh 23 / 2610th of the following month20th of the following monthCommon for service fees, royalties, and cross-border cases.
PPh 2515th of the following month20th of the following monthMonthly corporate income-tax installment.
PPh Final Article 4(2)15th of the following month20th of the following monthApplies when your regime or transaction type falls under final tax rules.
PPN / VATEnd of the following monthEnd of the following monthPayment is made before or together with the monthly VAT return workflow.

If your business relies on monthly admin staff or part-time finance support, this is the section to turn into calendar reminders. Do not wait until the filing week to request missing invoices, payroll data, or withholding evidence. The better pattern is to prepare records in the first week after month-end, then move into payment and filing.

Annual filing deadlines in 2026

The annual-return season is where many businesses slip because they assume the monthly work was enough. In reality, annual SPT filing usually requires cleaner reconciliations, complete financial statements, and a final review of taxes already paid through the year.

ObligationDue dateApplies to
Annual individual income-tax returnMarch 31, 2026Calendar-year individual taxpayers
Annual corporate income-tax returnApril 30, 2026Calendar-year corporate taxpayers
Corporate annual-return extension noticeBefore April 30, 2026Companies that need up to 2 extra months

DJP also announced that annual-return reporting for 2026 begins through Coretax DJP from January 1, 2026. That makes early access setup and role permissions part of deadline planning, not just a technical afterthought.

Penalties and risk points to watch

Filing dates matter because Indonesian tax administration is structured around automatic consequences. The easiest way to reduce penalty risk is not to memorize every sanction, but to keep each monthly filing cycle clean enough that deadlines stay routine.

  • Late filing of monthly SPT Masa other than VAT generally triggers an administrative penalty of Rp 100,000 per return.
  • Late filing of monthly SPT Masa PPN generally triggers an administrative penalty of Rp 500,000 per return.
  • Late filing of annual SPT Orang Pribadi generally triggers Rp 100,000.
  • Late filing of annual SPT Badan generally triggers Rp 1,000,000.
  • Late-payment interest is not a fixed number forever. DJP publishes administrative interest tariffs periodically, so check the current official rate for the relevant period.

If your business is already late or unsure about prior filings, handle the review before peak filing weeks. A short remediation review in January or February is far cheaper than scrambling after a notice or discovering mismatched balances during annual filing.

Should you prepare early for 2026 annual filing?

Yes. The strongest way to handle Indonesia tax deadlines 2026 is to treat annual filing as a preparation project, not a one-week event. That means closing books earlier, reconciling monthly payments, checking Coretax access, and deciding early whether a corporate extension might be needed.

If you want a practical filing-season checklist rather than a deadline list, read our related guide:

2026 Tax Preparation Checklist for Bali SMEs and PT PMA

FAQ

2026 deadline questions

What do people usually mean by Indonesia tax deadlines 2026?

In practice, they usually mean the recurring monthly PPh and PPN deadlines during 2026 plus the annual filing deadlines in March and April 2026 for tax year 2025, assuming a calendar-year taxpayer.

Are monthly tax deadlines the same every month in 2026?

The recurring pattern is generally the same each month, but you should still check for public-holiday shifts, technical announcements, and system-specific updates before filing.

When is annual corporate SPT due in 2026?

For calendar-year companies, annual corporate SPT is generally due by April 30, 2026 because the rule is four months after the end of the tax year.

Can a company request more time to file annual SPT in 2026?

Yes. Corporate taxpayers can submit a notification for an extension of up to two months, but supporting documents and estimated tax payment requirements still need to be handled before the original deadline.

Should I rely only on this article for filing decisions?

No. Use this page as a planning guide, then verify the latest official DJP announcements, especially if your filing month includes a holiday, a system transition, or a special relief policy.

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