id-payroll-pph21Accountant-reviewed Use this skill whenever asked to calculate, review, or advise on Indonesian payroll — PPh 21 (income tax withholding), BPJS Kesehatan (health insurance), BPJS Ketenagakerjaan (JHT, JP, JKK, JKM employment social security), biaya jabatan, or PTKP thresholds. Trigger on phrases like "PPh 21", "PPh Pasal 21", "pajak penghasilan", "BPJS", "gaji Indonesia", "payroll Indonesia", "potong pajak karyawan", "TER PPh 21", "PTKP", or any Indonesia employment income tax / social security request. ALWAYS read this skill before touching any Indonesia payroll or PPh 21 work.