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Salary Tax and Payslips What Employees Need to Know?

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Gusti Ayu Tita P

14 Agustus 2026

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Salary Tax and Payslips What Employees Need to Know?

Salary tax and payslips are closely connected because a payslip usually shows how an employee's gross income is reduced by tax and other applicable deductions. Understanding this information helps employees know how much they earn before deductions and how much they actually receive.

In Indonesia, employment-related income is generally subject to Article 21 Income Tax or PPh 21. By understanding the tax information shown on a payslip, employees can better monitor their salary, tax deductions, and take-home pay.

UNDERSTANDING SALARY TAX

Salary tax generally refers to income tax on employment-related earnings. Depending on applicable tax rules, taxable employment income may include salary, allowances, bonuses, incentives, and other payments connected with employment.

Employers generally act as PPh 21 withholding agents for their employees. They calculate and withhold the applicable tax before paying the employee's remaining salary. The amount withheld should normally be reflected in the employee's payroll or tax documentation.

KEY INFORMATION ON A PAYSLIP

A payslip commonly contains information about basic salary, allowances, bonuses, deductions, taxes, and net salary. The exact format can vary between employers, but its purpose is to show how the employee's final payment was determined.

Employees should pay particular attention to the gross salary and PPh 21 deduction. Gross salary represents income before applicable deductions, while the tax deduction shows the amount withheld for income tax. Other deductions may also appear separately and should not automatically be treated as income tax.

HOW TO READ THE TAX DEDUCTION?

For permanent employees, PPh 21 withholding during tax periods other than the final tax period generally uses the Average Effective Rate or TER. The applicable rate depends on the employee's gross monthly income and the relevant TER category based on PTKP status.

For example, an employee with TK/0 status and gross monthly income of IDR 8,000,000 falls within a TER Category A bracket with an effective rate of 1.50 percent. The example PPh 21 withholding is IDR 8,000,000 × 1.50 percent = IDR 120,000. Employees can use this basic calculation to understand the relationship between gross income and monthly tax withholding.

HOW TAX AFFECTS NET SALARY?

Net salary or take-home pay is the amount an employee receives after applicable deductions have been taken from gross income. PPh 21 is one possible deduction, while other authorized payroll deductions may also affect the final amount.

Employees should remember that monthly tax withholding can change. Bonuses, allowances, changes in income, or other employment payments can affect gross income and therefore the amount of PPh 21 withheld. The final tax period also uses an annual calculation, so its deduction may differ from previous months.

CONCLUSION

Salary tax and payslips are important for employees because they provide information about income and deductions. By checking gross salary, PPh 21, other deductions, and net salary, employees can better understand how their monthly payment is calculated.

Employees should review their payslips regularly and make sure their personal tax information and income components are accurate. Understanding the relationship between salary tax and payslips makes it easier to identify changes in take-home pay and understand the tax withheld by the employer.

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About the Author

Gusti Ayu Tita P

Author — STEKOM University

An active author focused on academic issues, educational technology, and human resource development in the campus environment.