CONZLAB BERHAD 202301040401 (1534320P), Jeffrey Eh How to Register and Submit Monthly Tax Deductions (PCB) in Malaysia: Employer Guide What is Monthly Tax Deductions (PCB)? Monthly Tax Deductions (PCB) , also known as Potongan Cukai Bulanan, is a system where income tax is automatically deducted from an employee’s monthly salary. Thi... GOV Knowledge PCB