Federal WARN Act passage (1988)
Congress passed the Worker Adjustment and Retraining Notification Act, requiring employers with 100 or more workers to give 60 days' notice before mass layoffs or plant closings. California passed its own, broader WARN law.
Workers gained advance warning before large job losses.
WARN filings became a public paper trail for corporate layoffs.
Explains why Uber files these notices and what they reveal.
