Monthly Tax Reporting Indonesia 2026: SPT Masa Deadlines

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Quarterly & Monthly Tax Reporting Indonesia 2026: SPT Masa Schedules, Deadlines & Penalties

Zantara AI

AI Tax Advisor

Feb 17, 202614 min read0

Monthly SPT Masa tax reporting deadlines and schedules in Indonesia 2026

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SPT Masa monthly tax reporting PPh 21 PPh 23 PPh 25 PPN VAT e-Filing Indonesia Coretax tax deadline Indonesia tax compliance DJP Online

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Overview of Periodic Tax Reporting in Indonesia

Indonesian tax law requires businesses to file periodic tax returns called SPT Masa (Surat Pemberitahuan Masa) on a monthly basis. Unlike annual tax returns (SPT Tahunan), these monthly filings report specific tax types that occur in the normal course of business operations.

For a PT PMA or any company operating in Indonesia, this means managing multiple filing deadlines every single month. Missing even one deadline triggers automatic penalties.

The four primary monthly tax returns are:

Tax Type	What It Covers	Payment Deadline	Filing Deadline
PPh 21	Employee withholding tax	10th of next month	20th of next month
PPh 23	Service/rental withholding	10th of next month	20th of next month
PPh 25	Monthly installment payments	15th of next month	20th of next month
PPh 4(2)	Final tax (rental, construction)	10th of next month	20th of next month
PPN	VAT (if PKP registered)	End of next month	End of next month

Additionally, quarterly and annual obligations include:

Report	Frequency	Deadline
LKPM (Investment Activity Report)	Quarterly	Within 10 days after quarter-end
SPT Tahunan Badan (Corporate Annual)	Annual	April 30
SPT Tahunan Orang Pribadi (Personal Annual)	Annual	March 31

PPh 21: Employee Withholding Tax

What Gets Reported

PPh 21 covers income tax withheld from payments to employees and individuals, including:

Employee salaries and wages (local and foreign employees)
Honorariums to non-employees (consultants, freelancers)
Severance payments
Pension contributions
Bonuses and allowances (THR, 13th month, etc.)

How PPh 21 Works

The employer calculates PPh 21 using progressive rates on each employee's taxable income:

Annual Taxable Income	Rate
Up to IDR 60,000,000	5%
IDR 60,000,000 - 250,000,000	15%
IDR 250,000,000 - 500,000,000	25%
IDR 500,000,000 - 5,000,000,000	30%
Above IDR 5,000,000,000	35%

The monthly calculation annualizes the income, applies the rates, then divides by 12 to determine the monthly withholding amount.

Monthly PPh 21 Example

A PT PMA with 5 employees:

Employee	Monthly Salary	Monthly PPh 21
Director (expat)	IDR 50,000,000	IDR 8,250,000
Manager	IDR 20,000,000	IDR 1,500,000
Staff A	IDR 10,000,000	IDR 275,000
Staff B	IDR 8,000,000	IDR 175,000
Staff C	IDR 6,000,000	IDR 50,000
Total	IDR 94,000,000	IDR 10,250,000

The company must:

Pay IDR 10,250,000 to the state treasury by the 10th of the next month
File SPT Masa PPh 21 by the 20th of the next month
Issue Bukti Potong (withholding certificates) to each employee

Year-End PPh 21 Reconciliation

In December (or January for the December period), the employer must reconcile actual annual PPh 21 against monthly amounts withheld. This is filed as the SPT Masa PPh 21 for the December period and includes:

Total annual income per employee
Total annual PPh 21 calculated
Total PPh 21 already withheld during the year
Any underpayment or overpayment
Form 1721-A1 for each employee

PPh 23: Service and Rental Withholding

What Gets Reported

PPh 23 covers withholding tax on payments to domestic entities and individuals for:

Payment Type	PPh 23 Rate
Dividends (to domestic shareholders)	10% (PPh 23)
Interest (non-bank)	15%
Royalties	15%
Technical services, management, consulting	2%
Construction services	2-6% (PPh 4(2))
Rental of equipment/vehicles	2%

Monthly PPh 23 Example

A PT PMA making the following payments in January:

Vendor	Service	Amount	PPh 23 Rate	PPh 23
Accounting firm	Tax advisory	IDR 20,000,000	2%	IDR 400,000
IT consultant	Software dev	IDR 35,000,000	2%	IDR 700,000
Vehicle rental	Car lease	IDR 5,000,000	2%	IDR 100,000
Graphic designer (individual)	Design work	IDR 8,000,000	2%	IDR 160,000
Total		IDR 68,000,000		IDR 1,360,000

The company must:

Pay IDR 1,360,000 by February 10
File SPT Masa PPh 23 by February 20
Issue Bukti Potong PPh 23 to each vendor

When PPh 23 vs PPh 21 Applies

A common confusion:

Recipient	Tax Type	Applied When
Employee	PPh 21	Salary, bonus, allowances
Individual freelancer	PPh 21	Service fees to individuals
CV (non-PT entity)	PPh 23	Service fees
PT (company)	PPh 23	Service fees
Non-resident	PPh 26 (20%)	Any payment to non-residents

PPh 25: Monthly Installment Payments

What It Is

PPh 25 is a prepayment of annual corporate income tax (PPh Badan), paid monthly throughout the year. It ensures the government receives tax revenue evenly rather than in a lump sum at year-end.

How It Is Calculated

PPh 25 is calculated based on the previous year's tax return:

Monthly PPh 25 = (Prior Year PPh Badan - PPh Withheld) / 12

Example:

Item	Amount
2025 taxable income	IDR 1,000,000,000
PPh Badan (22%)	IDR 220,000,000
Less: PPh 22, 23, 24 credits	IDR 40,000,000
Net PPh due	IDR 180,000,000
Monthly PPh 25 for 2026	IDR 15,000,000

Each month, the company pays IDR 15,000,000 as a PPh 25 installment, due by the 15th of the following month.

Special Cases

New company (first year): No PPh 25 obligation until the first SPT Tahunan is filed
Significantly higher/lower revenue: Apply to reduce/increase PPh 25 installments via a reduction request to the tax office
Company with tax loss carryforward: PPh 25 may be zero if no tax was due in the prior year

PPN (VAT) Monthly Reporting

Who Must File

Only PKP-registered entities (Pengusaha Kena Pajak) must file SPT Masa PPN. You are required to register as PKP if your annual revenue exceeds IDR 4.8 billion or if you voluntarily register.

Monthly PPN Calculation

Item	Formula
Output PPN	PPN collected from customers (12% of sales)
Input PPN	PPN paid to suppliers (12% of purchases)
PPN Payable	Output PPN - Input PPN
PPN Overpayment	Input PPN > Output PPN (carry forward or refund)

Monthly PPN Example

Transaction	Amount	PPN (12%)
Sales (Output PPN)
Product sales	IDR 300,000,000	IDR 36,000,000
Service revenue	IDR 100,000,000	IDR 12,000,000
Total Output PPN		IDR 48,000,000
Purchases (Input PPN)
Raw materials	IDR 150,000,000	IDR 18,000,000
Office rent	IDR 30,000,000	IDR 3,600,000
Utilities/internet	IDR 10,000,000	IDR 1,200,000
Total Input PPN		IDR 22,800,000

The company must:

Issue e-Faktur for each taxable transaction
Pay IDR 25,200,000 by the end of the next month
File SPT Masa PPN by the end of the next month

e-Faktur Requirements

Every PPN transaction requires an electronic tax invoice (e-Faktur):

Generated through the e-Faktur application or Coretax
Must include NPWP, transaction details, PPN amount
Issued within the same month as the transaction
Late e-Faktur issuance results in a 1% penalty of the DPP (tax base)

Complete Monthly Tax Calendar

Here is a monthly compliance calendar for a typical PT PMA:

Date	Obligation	Tax Type
10th	Payment of PPh 21, PPh 23, PPh 4(2) for prior month	Income tax
15th	Payment of PPh 25 installment for prior month	Income tax
20th	Filing SPT Masa PPh 21 for prior month	Income tax
20th	Filing SPT Masa PPh 23 for prior month	Income tax
20th	Filing SPT Masa PPh 25 for prior month	Income tax
20th	Filing SPT Masa PPh 4(2) for prior month	Income tax
End of month	Payment of PPN for prior month	VAT
End of month	Filing SPT Masa PPN for prior month	VAT

If a deadline falls on a weekend or public holiday, the deadline shifts to the next business day.

Quarterly Obligations

Quarter End	LKPM Deadline	Description
March 31	April 10	Q1 investment activity report
June 30	July 10	Q2 investment activity report
September 30	October 10	Q3 investment activity report
December 31	January 10	Q4 investment activity report

Penalties for Non-Compliance

Late Filing Penalties

Tax Return	Penalty per Late Return
SPT Masa PPh 21	IDR 100,000
SPT Masa PPh 23	IDR 100,000
SPT Masa PPh 25	IDR 100,000
SPT Masa PPh 4(2)	IDR 100,000
SPT Masa PPN	IDR 500,000
SPT Tahunan Badan	IDR 1,000,000
SPT Tahunan Orang Pribadi	IDR 100,000

Late Payment Penalties

Situation	Penalty
Late payment of PPh 21, 23, 25, 4(2)	2% per month on unpaid amount
Late payment of PPN	2% per month on unpaid amount
Maximum penalty period	24 months
Maximum total penalty	48% of original tax

Escalation for Persistent Non-Compliance

If a company consistently fails to file or pay:

Surat Teguran (Warning letter) -- after 2+ months of non-filing
Tax audit trigger -- consistent non-compliance increases audit probability
SK PKP revocation -- for PPN non-compliance, the tax office can revoke PKP status
Criminal prosecution -- for intentional fraud or evasion (rare, but possible)

Penalty Calculation Example

A PT PMA misses filing SPT Masa PPh 21 and PPN for 3 months, with IDR 15,000,000 monthly PPh 21 and IDR 10,000,000 monthly PPN:

Penalty Type	Calculation	Amount
Late filing PPh 21 (3 months)	3 x IDR 100,000	IDR 300,000
Late filing PPN (3 months)	3 x IDR 500,000	IDR 1,500,000
Late payment PPh 21 (3 months, 2%/month avg)	IDR 45M x 2% x 2 (avg)	IDR 1,800,000
Late payment PPN (3 months, 2%/month avg)	IDR 30M x 2% x 2 (avg)	IDR 1,200,000
Total penalties		IDR 4,800,000

Filing Through Coretax and DJP Online

Coretax: The New System

Coretax (launched 2025) is the government's integrated tax administration system, replacing the older DJP Online for many functions. It consolidates:

e-Filing (tax return submission)
e-Billing (tax payment generation)
e-Faktur (VAT invoices)
e-Bupot (withholding certificates)

Step-by-Step: Filing SPT Masa PPh 21 on Coretax

Step 1: Log In

Navigate to coretax.pajak.go.id
Enter NPWP/NIK and password
Complete two-factor authentication

Step 2: Navigate to SPT Masa

Select "SPT Masa" from the main menu
Choose "PPh 21" as the tax type
Select the reporting period (month/year)

Step 3: Enter Data

Input each employee's income and PPh 21 calculation
Upload Bukti Potong data (can be batch-uploaded via CSV)
System auto-calculates totals

Step 4: Review and Validate

Cross-check total PPh 21 with payment amount
Ensure all employees are listed
Verify NPWP/NIK for each recipient

Step 5: Submit

Click "Submit" to file the SPT Masa
System generates a BPE (Bukti Penerimaan Elektronik) -- your electronic filing receipt
Save the BPE as proof of timely filing

Tips for Smooth Filing

File early -- do not wait until the 20th; system congestion is common on deadline days
Reconcile before filing -- ensure tax payments match the SPT Masa amounts
Keep BPE records -- download and store all electronic filing receipts
Use batch upload -- for companies with many employees or vendors, CSV upload is faster than manual entry
Monitor Coretax announcements -- the system sometimes has maintenance windows or updates

Nil Returns: Filing When There Is Nothing to Report

Even if your company has zero transactions for a particular tax type in a given month, you may still need to file a nil return (SPT Masa nihil):

Tax Type	Nil Filing Required?
PPh 21	Not required if no employees/payments
PPh 23	Not required if no withholding payments
PPh 25	Required if PPh 25 installment applies
PPh 4(2)	Not required if no final tax transactions
PPN	Required for PKP-registered entities

For PPN, PKP entities must file every month regardless of whether any transactions occurred. Failure to file a nil PPN return still triggers the IDR 500,000 penalty.

Practical Compliance Checklist

Use this monthly checklist to stay on track:

By the 10th of Each Month

Pay PPh 21 for prior month via e-Billing
Pay PPh 23 for prior month via e-Billing
Pay PPh 4(2) for prior month via e-Billing
Verify all payments received NTPN confirmation

By the 15th of Each Month

Pay PPh 25 installment via e-Billing
Verify NTPN confirmation

By the 20th of Each Month

File SPT Masa PPh 21 on Coretax
File SPT Masa PPh 23 on Coretax
File SPT Masa PPh 25 on Coretax
File SPT Masa PPh 4(2) on Coretax
Issue and distribute Bukti Potong to recipients
Save all BPE filing receipts

By End of Each Month

Pay PPN for prior month via e-Billing
File SPT Masa PPN via Coretax/e-Faktur
Reconcile e-Faktur output and input
Save BPE filing receipt

Frequently Asked Questions

What are the monthly tax filing deadlines in Indonesia?

PPh 21 and PPh 23 payments are due by the 10th of the following month, with SPT Masa filing by the 20th. PPh 25 installments are due by the 15th. PPN/VAT payment and SPT Masa PPN filing are due by the end of the following month. All deadlines shift to the next business day if they fall on weekends or holidays.

What is the penalty for late SPT Masa filing?

Late filing penalties: IDR 100,000 per late SPT Masa PPh (21, 23, 25, 4(2)) and IDR 500,000 per late SPT Masa PPN. Late payment incurs 2% per month interest on the unpaid amount. These penalties apply automatically and accumulate each month.

How do I file SPT Masa through Coretax?

Log in to Coretax (coretax.pajak.go.id) with your NPWP and password. Navigate to SPT Masa, select the relevant tax type and period, enter transaction details, upload supporting documents, review the calculation, and submit. You receive an electronic receipt (BPE) as proof of filing.

Does a dormant company still need to file monthly tax returns?

It depends. A dormant company with no employees, no transactions, and no revenue generally does not need to file PPh 21, 23, or 4(2) nil returns. However, if registered as PKP, PPN nil returns are still required monthly. PPh 25 nil returns may also be required. Consult your tax advisor about your specific situation.

Can I file SPT Masa late and just pay the penalty?

Technically yes -- the penalty is a fixed amount (IDR 100,000-500,000), not a percentage. However, consistently late filing creates a compliance risk profile with the tax office, increasing your probability of being selected for a tax audit. It is always better to file on time.

Professional Tax Compliance Support

Managing 5+ monthly tax returns, each with different deadlines and calculation methods, is a significant administrative burden for any business. Many foreign business owners in Bali find it cost-effective to outsource this to a professional tax service. Bali Zero's tax advisory team handles end-to-end monthly compliance -- from PPh 21 calculations to PPN e-Faktur management to timely filing and payment.

Contact Bali Zero at info@balizero.com or +62 813 3805 1876 (WhatsApp) for monthly tax compliance support.

Monthly Tax Reporting Indonesia 2026: SPT Masa Deadlines