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California pay deduction laws – involuntary & voluntary deductions, garnishments & compliance

Understand rules for involuntary deductions—child support, creditor garnishments, tax levies—and voluntary pay deductions for employees.

by Vicki M. Lambert, The Payroll Advisor

California’s involuntary wage deduction laws require employers to follow strict rules when processing child support orders, creditor garnishments, tax levies, and other mandatory withholdings.

Our guide explains how HR and payroll professionals can manage these deductions correctly, including compliance steps for delinquent vehicle registration orders and voluntary wage assignments, ensuring accuracy and adherence to California regulations.

In this guide, learn about:

  • Involuntary pay deductions
    • Child support withholding
    • Creditor garnishment withholding
    • Tax levy withholding
  • Voluntary pay deductions
    • Wage assignments
  • Future developments

Federal law and guidance on this subject should be reviewed together with this section.

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Jurisdiction: California

Latest updates

Updated to reflect amended requirements regarding when creditor garnishment withholding must begin, effective January 1, 2026.

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