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Tax Articles & Insights

Practical tax guidance, compliance tips, and the latest regulatory news for business owners.

PPh 21 TER Scheme: The New Way to Withhold Salary Tax (With Example)
PPh 21Payroll

PPh 21 TER Scheme: The New Way to Withhold Salary Tax (With Example)

Since 2024, salary PPh 21 is withheld using the Average Effective Rate (TER). Understand categories A/B/C, the December true-up surprise, and a worked example so payroll stays correct.

By Mandiri Pajak Team ·

Tax Regulations

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UMKM Tax: Under Rp500 Million Is Exempt, but You Must Still File
Small Business TaxFinal Income Tax

UMKM Tax: Under Rp500 Million Is Exempt, but You Must Still File

Small businesses earning ≤Rp500M/year pay no income tax; above that a 0.5% final rate applies. But forgetting to file still costs Rp100K. Full rules here.

Late Tax Return Penalties: Rp100K to Rp1 Million
Tax PenaltiesTax Return

Late Tax Return Penalties: Rp100K to Rp1 Million

Late tax-return filing is the most common tax case in Indonesia. Know the fines: Rp100K personal, Rp1M corporate, Rp500K VAT, and how to avoid them.

UMKM Tax PP 20/2026: 0.5% Final Rate, Now Without a Time Limit
SMERegulation

UMKM Tax PP 20/2026: 0.5% Final Rate, Now Without a Time Limit

Government Regulation 20/2026 reshapes UMKM final income tax: the 0.5% rate stays, the 7-year limit is removed, and CV & PT are excluded as new participants.

Workshop: Preparing Annual Corporate & Personal Tax Returns via Coretax
CoretaxAnnual Tax Return

Workshop: Preparing Annual Corporate & Personal Tax Returns via Coretax

A guide to preparing annual corporate and personal tax returns through Coretax DJP: required documents, filing steps, deadlines, and common mistakes.

Tax Underpayment Interest Penalty: How It Is Calculated
Tax PenaltiesHPP Law

Tax Underpayment Interest Penalty: How It Is Calculated

Underpaying tax triggers a monthly interest penalty: benchmark rate + uplift, divided by 12. Understand the HPP Law rates, lighter than the old rules.

Beware! The Tax Office Can Now Access Your Bank Accounts & Deposits
Financial Data AccessCompliance

Beware! The Tax Office Can Now Access Your Bank Accounts & Deposits

Indonesia tax office is getting aggressive: banks auto-report balances ≥Rp1 billion, now extending to crypto, credit cards & telco data. Know the rules.

Coretax DJP: The New Face of Tax Administration—What Changed?
CoretaxTax Digitalization

Coretax DJP: The New Face of Tax Administration—What Changed?

From 2026 all tax services move to Coretax DJP. Learn the new features—one portal, no EFIN, pre-filled returns—and how to adapt.

NIK Becomes Your NPWP: Validated Before Using Coretax?
CoretaxNPWP

NIK Becomes Your NPWP: Validated Before Using Coretax?

In the Coretax era your 16-digit NIK now serves as your NPWP. If your NIK-NPWP isn’t matched, tax services can stall. Here’s what to do.

Gold & Crypto Tax Rules 2025: Understanding the Latest Regulations
RegulationGold & Crypto

Gold & Crypto Tax Rules 2025: Understanding the Latest Regulations

Ministry of Finance Regulations 50, 51, and 52 of 2025 changed gold and crypto taxation from 1 August 2025. Understand the new rates, income-tax exemptions, and business impact.

General Articles

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A Weakening Rupiah: How It Affects Your Business Taxes
Exchange RateBusiness Tax

A Weakening Rupiah: How It Affects Your Business Taxes

A slumping rupiah isn't just an importer's problem. Understand its tax impact on your business: forex differences, the MoF Tax Rate (KMK), import VAT & PPh 22—with a worked example.

Got a Letter from the Tax Office? A Guide with Examples
Tax LettersCompliance

Got a Letter from the Tax Office? A Guide with Examples

Reminder, SP2DK, STP, SKPKB, or a forced-collection letter—know each type of DJP letter, its deadline, and how to respond correctly. Includes a sharp sample reply.

4 Reasons Taxpayers Hesitate to Hire a Tax Consultant — and the Reality
Tax ConsultantCompliance

4 Reasons Taxpayers Hesitate to Hire a Tax Consultant — and the Reality

Too expensive, can do it myself, don't trust them, don't see the benefit—four common objections to tax consultants, examined against the latest compliance data.

SP2DK: The Tax Office "Love Letter" and How to Respond
SP2DKCompliance

SP2DK: The Tax Office "Love Letter" and How to Respond

Got an SP2DK from the tax office? Do not panic. Learn what this DGT clarification letter is, the 14-day deadline, the risks of ignoring it, and how to reply.

Fake Tax Invoice Cases: Prison and Multiplied Fines
Tax PenaltiesTax Invoice

Fake Tax Invoice Cases: Prison and Multiplied Fines

Fake tax invoices lead to 2–6 years in prison and fines of 2–6 times the tax value. See real cases and how your business stays clear of the trap.

Don’t Know the Tax Rules? That Can Become a Penalty Trap
Tax PenaltiesCompliance

Don’t Know the Tax Rules? That Can Become a Penalty Trap

In law, ignorance is no excuse. Learn why not understanding the tax rules can still lead to fines—and how to prevent it.

The Most Common Tax Cases in Indonesia and Their Fines
Tax PenaltiesCompliance

The Most Common Tax Cases in Indonesia and Their Fines

False returns, unremitted tax, and fake invoices are Indonesia top tax cases. See DGT data: Rp150 billion in fines and Rp995 billion in seized assets.

Why Can Taxpayers Be Hit with Such Large Penalties?
Tax PenaltiesCompliance

Why Can Taxpayers Be Hit with Such Large Penalties?

Tax penalties can balloon through interest, administrative fines, and even criminal sanctions. Learn the 6 main causes and how to avoid them early.

Why Modern Tax Consultants No Longer Rely on Excel
DigitalBookkeeping

Why Modern Tax Consultants No Longer Rely on Excel

Excel & Google Sheets have limits for financial and tax reporting. Understand their weaknesses and the advantages of a modern web-based RDBMS for professional tax work.

Unraveling Indonesia’s Tax Complexity: The Right Solution with a Certified Consultant
Tax ConsultantCompliance

Unraveling Indonesia’s Tax Complexity: The Right Solution with a Certified Consultant

Indonesia’s tax system is intricate and ever-changing. Learn why that complexity exists and how a certified tax consultant helps you stay compliant — without the anxiety.

The Secret to Saving Time on Taxes — Without the Stress
SMETax Tips

The Secret to Saving Time on Taxes — Without the Stress

Many SMEs find taxes complex and time-consuming. Learn the 5 common challenges and how to save time on taxes with help from a certified consultant.

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