Every payroll run in Malaysia comes with one line that's easy to get wrong: PCB, the monthly tax deduction your company is legally required to withhold from each employee's salary and remit to LHDN. If you've ever double-checked whether you used the right column in the tax schedule, or wondered what actually happens if the 15th of the month slips by, you're not alone — it's one of the most common questions payroll and HR teams at Malaysian SMEs ask. PCB (Potongan Cukai Bulanan), also known as Monthly Tax Deduction (MTD), isn't a compliance nice-to-have. It's a legal obligation under the Income Tax Act 1967, and getting it wrong — a missed remittance, the wrong calculation method, a skipped submission — creates risk for the company, not just the employee. This guide walks through what PCB actually requires: how the deduction is calculated, when it's due, how to file it, and what happens if a payment is missed.
PCB (Potongan Cukai Bulanan), or Monthly Tax Deduction, is the mechanism under which every registered employer in Malaysia must deduct income tax from an employee's monthly remuneration and remit it to LHDN (Lembaga Hasil Dalam Negeri Malaysia). Employers calculate the amount using either the official Schedule of MTD or the Computerised Calculation Method, then submit and pay through LHDN's e-PCB, e-Data PCB or e-CP39 services on the MyTax portal — on or before the 15th day of the following month.
Who Has to Deduct PCB, and From What?
Any employer registered with LHDN must deduct PCB once an employee's income is subject to tax — company size doesn't exempt you. Registration starts with obtaining an employer number ("E" number) from LHDN; this is a prerequisite before any MTD obligation begins.
The deduction is calculated on an employee's total monthly remuneration, which LHDN defines broadly to include base salary, fixed allowances, bonuses, and other cash payments made in connection with employment. It's the employer's job to choose a calculation method and apply it consistently for the same employee across the year — switching methods mid-year makes year-end reconciliation harder for both payroll and the employee's personal tax filing.
If you're unsure whether a specific employee's current income falls above the taxable threshold, don't guess from a rule of thumb — thresholds shift depending on reliefs and dependent status. LHDN's official PCB calculator (calcpcb.hasil.gov.my) will confirm it based on the exact figures you enter. (Check more about Employer Registration Guide: EPF, SOCSO, and LHDN Compliance in Malaysia)
How Is PCB Calculated — Schedule Method or Computerised Method?
LHDN gives employers two official ways to calculate PCB each month: the Schedule of MTD (Jadual PCB, published as e-Jadual PCB since 1 March 2019) or the Computerised Calculation Method.
The Schedule method is a lookup table — you match an employee's monthly salary band and tax category to a pre-set deduction figure. It's simple to apply, but because it works in salary bands rather than exact amounts, it can slightly over- or under-deduct across the year, with the difference settled when the employee files their annual return.
The Computerised Calculation Method works from a projection of the employee's annual income and reliefs, producing a more precise monthly figure. LHDN publishes an updated Computerised Calculation Method specification every year, and this is the method most payroll software — including Swingvy — uses by default, since it reduces the year-end surprise of a large balance owed or refunded.
When Do You Need to Pay, and How Do You File?
PCB deducted in a given month must be remitted to LHDN on or before the 15th day of the following month. Submission is restricted to LHDN's own e-PCB, e-Data PCB or e-CP39 services, accessed through the MyTax portal — LHDN has been steadily consolidating PCB filing into MyTax, so it's worth confirming which service your company is currently registered under.
For actual payment, LHDN accepts FPX (online via the HASiL website), IBG transfer at a list of participating banks (in person or via internet banking, using your PCB/CP39 account number), or cash at CIMB counters only.
PCB isn't the only annual filing obligation tied to payroll. Employers must also submit Form E, together with the supporting C.P.8D schedule, by 31 March of the following year, via e-Filing. And every PCB-related record needs to be kept and readily accessible for 7 years — LHDN can request it at any time within that window.
What Happens If You Miss the PCB Deadline?
Missing a PCB remittance isn't treated as a minor late fee — it's a compliance offence under the Income Tax Act 1967. LHDN's own published penalty schedule for general non-compliance offences (Sections 112 and 120) sets out a fine of RM200 to RM20,000, imprisonment of up to six months, or both, and tax advisors consistently apply this same framework to employers who fail to deduct or remit MTD as required.
Beyond the legal exposure, late or incorrect PCB also creates a downstream headache: employees' annual tax positions get thrown off, and reconciling a payroll error months later is far more work than getting the calculation right the first time. This is exactly the kind of recurring, rules-based task that's worth automating rather than tracking manually on a spreadsheet.
PCB at a Glance
Frequently Asked Questions
What does PCB stand for? PCB stands for Potongan Cukai Bulanan, Malay for Monthly Tax Deduction (MTD). It's the system employers use to deduct income tax from employee salaries every month and remit it to LHDN.
Is PCB the final income tax an employee owes? Not automatically. PCB is a running instalment toward the employee's annual tax bill. Employees who meet certain conditions (single employer, no other income, MTD deducted correctly) can be exempted from filing an annual return, but PCB itself doesn't replace year-end reconciliation for everyone. (Learn more about 7 Tips to File Income Tax)
What's the real difference between the Schedule method and the Computerised method? The Schedule method uses fixed salary bands and is simpler to apply manually. The Computerised method calculates from a projected annual income figure and tends to be more accurate, which is why most payroll software defaults to it.
Do I need to deduct PCB for every employee, including new hires and part-timers? Any employee whose income is subject to tax needs PCB deducted, regardless of employment type. If you're unsure whether a specific employee currently crosses the taxable threshold, check with LHDN's official PCB calculator rather than assuming.
What happens if I use the wrong calculation method for an employee? It won't trigger an immediate penalty on its own, but it usually means the employee's monthly deductions don't track their actual annual liability closely, leading to a larger reconciliation (over- or under-payment) at tax filing time — and more manual correction work for payroll.
Where do I actually submit and pay PCB? Through LHDN's e-PCB, e-Data PCB or e-CP39 services on the MyTax portal, with payment via FPX, IBG at participating banks, or cash at CIMB counters.
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If your team is still calculating PCB by matching salary figures against a schedule by hand, or you're not fully confident every employee is on the right method, that's exactly the kind of repetitive, rules-heavy task Swingvy's payroll module was built to take off your plate. Swingvy calculates PCB automatically alongside EPF, SOCSO and EIS, keeps up with LHDN's published rates and methods, and generates the records you need to stay compliant — so the 15th of the month stops being something you have to remember on your own. If PCB has been a recurring source of second-guessing for your HR team, it might be worth seeing how Swingvy handles it end to end.
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PCB will never be the most exciting line on your payroll checklist, but getting the mechanics right — the right method, the right deadline, the right filing channel — is what keeps a small monthly task from turning into a much bigger compliance problem later.
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