Payslip Deduction Parser

Problem

Payslips often show pre-tax pay, take-home pay, social insurance, and tax as a list of numbers without making it clear where deductions come from. This skill helps engineers and workplace users turn a payslip into a verifiable deduction path. It is especially useful before pay verification or HR discussion.

How It Works

• Reconstructs the deduction chain: starts from pre-tax pay, then applies social insurance, special additional deductions, and individual income tax before reaching take-home pay.
• Explains ratios and bases: covers pension, medical, unemployment, work injury, maternity, and housing fund, while noting city-level base limits may differ.
• Calculates tax logic: uses cumulative withholding to explain why tax may rise later in the year, and distinguishes separate versus combined year-end bonus tax treatment.
• Transparent output: gives a summary first, then itemized calculations that the user can verify or confirm with HR.

Boundaries

It explains payslip deductions, but does not replace tax planning, labor arbitration, social insurance complaints, or annual tax filing. Because policies, company bases, and payroll items vary, results should be checked against local rules and the company's HR guidance.