DWC-1

California Employer Injury Reporting Requirements: DWC-1, Form 5020 and Cal/OSHA

A California injury can start four clocks: the DWC-1, Form 5020, the Cal/OSHA serious-injury report and the log. Each has its own trigger, unit and recipient. Form 5020's five days are not stated as calendar or working days, and this guide says so.

Rovaryn Digital · October 19, 2026 · 10 min read

State & Provincial First Reports

DWC-1 for Employers: The One-Working-Day Duty Under Labor Code §5401

Labor Code §5401 requires the employer to provide the DWC-1 claim form to the employee within one working day of knowledge of an injury that causes lost time beyond the shift or treatment beyond first aid. Written for employers, this guide covers how that clock is counted and documented.

Rovaryn Digital · October 19, 2026 · 8 min read