If you've hired staff in Malaysia in the last 18 months, your payroll platform has almost certainly miscalculated at least one of three things: EPF employee contributions, SOCSO withholding rates, or income tax thresholds. Deel rounds incorrectly on pro-rata calculations. ADP's income tax bracket logic doesn't handle mid-month salary switches. Local platforms skip SOCSO's age-based rate changes entirely. None of this is obvious until your accountant reconciles payroll against SOCSO submission forms and the Inland Revenue Board's year-end reports—by which time you've underpaid statutory contributions or overpaid tax across dozens of employees. The fix is not to switch platforms. It's to audit your payroll now, against the official rate tables, before your next monthly submission. This guide maps the three most common miscalculations, shows you exactly where each platform breaks, and gives you a five-step audit checklist you can run this week. Where payroll platforms fail: The three biggest gaps Malaysian payroll has three statutory components that trip up regional software: 1. EPF employee contributions and the RM200 exemption threshold Employees contribute 11% of basic salary to the Employee Provident Fund—but only on salary above RM200 per month. An employee earning RM1,500 contributes 11% of RM1,300, not RM1,500. That's RM143, not RM165. Most platforms apply the 11% rate correctly to the gross salary, then forget to subtract the RM200 threshold. Over a year, that's RM264 overcollected per employee. For a 20-person team, that's RM5,280 sitting in the wrong account. The error gets worse with pro-rata calculations. When you hire someone mid-month, their EPF is supposed to be calculated on a daily rate: (Basic / Number of calendar days in month) × Days worked, minus the pro-rata RM200 threshold. Deel's system applies the full RM200 threshold even when the employee works 10 days. The result: employees pay EPF on below-threshold amounts. 2. SOCSO withholding rates by age and salary band SOCSO (Social Security Organisation) contributions are employee withholdings —deducted from salary and submitted to SOCSO. The rate depends on the employee's age and monthly salary: Age under 55, salary RM3,000 and below: 0.5% Age under 55, salary RM3,001–RM4,260: 0.75% Age 55 and above (all salaries): 0.5% The band changes are sharp: an employee earning RM3,000 pays 0.5%; one earning RM3,001 pays 0.75%. Many platforms have these bands hard-coded as fixed rates and don't update them when the Inland Revenue Board revises them—which happens annually. ADP's Malaysia payroll module doesn't check employee age at all; it applies a single rate across the whole payroll. The secondary SOCSO rate (employer contribution) adds a fourth layer. It's 0.75% for most employers, but ranges from 0.2% to 1.25% depending on the company's industry classification and injury frequency rate. If your platform doesn't let you set or override the employer SOCSO rate, it's almost certainly wrong. 3. Income tax thresholds and allowances that shift mid-year Malaysia's personal income tax has a tiered bracket system and a standard personal relief of RM9,000 (for most employees). Tax is calculated on chargeable income , which is gross salary minus relief. The twist: relief can be reduced or removed mid-year if the employee reaches certain income thresholds, and the Inland Revenue Board updates these thresholds annually. Most payroll software calculates tax on a static annual bracket, then divides by 12. If an employee switches roles, gets a raise, or joins mid-year, their tax doesn't recalculate correctly. ADP and Deel both default to a fixed annual calculation and don't re-evaluate when circumstances change. Bonus seasons make this worse. If an employee gets a 13th-month bonus in December, their total chargeable income jumps. The payroll system should recalculate their tax bracket and withhold more for that month—or recalculate retroactively across the year. Most don't. How to audit your payroll in five steps Don't wait for the year-end reconciliation. Pull 5 recent payslips—pick employees across three salary bands, including someone hired mid-month—and test them against SOCSO's official rate tables and the Inland Revenue Board's tax calculator. Step 1: Export payroll data and identify test cases From your payroll platform, export the payroll register for the last month (or the month you suspect has errors). You need: Employee name and ID Date of birth (to verify SOCSO age band) Gross basic salary Number of days worked (if hired mid-month) EPF employee contribution (withheld) SOCSO employee withholding Income tax withheld Net pay Select five employees: one earning below RM2,000, one earning RM2,500–RM3,000, one earning RM3,001–RM4,000, one aged 55+, and one hired in the last two months. This spread will catch most miscalculations. Step 2: Recalculate EPF manually For each employee: Take basic salary. Subtract RM200. Multiply by 11%. Round to the nearest sen. F