Does a state mini-WARN law replace the federal WARN Act?

No. State mini-WARN laws operate concurrently with federal law. When an employer is subject to both federal and state statutes, the employer must comply with whichever law provides greater protection to workers.

Which states require 90 days advance notice instead of 60 days?

New York, New Jersey, and Maine require 90 calendar days of advance notice before a covered plant closure or mass layoff takes effect, compared to the 60-day federal baseline.

Which states require mandatory severance pay for laid-off workers?

New Jersey mandates one week of severance pay per full year of employment, plus a 4-week penalty for notice failures. Maine mandates one week of severance pay per year of service for workers affected by covered facility closures or relocations.

How does California Cal-WARN differ from the federal WARN Act?

California Cal-WARN applies to employers with 75+ employees (including part-time) and triggers upon a layoff of 50+ workers within 30 days without needing to satisfy the federal 33% workforce threshold.

State Mini-WARN Act Guide — California, New York, New Jersey — WARN Index

A comprehensive guide to state mini-WARN layoff laws: California Cal-WARN, New York 90-day rules, New Jersey mandatory severance pay, Illinois, and state-by-state statutory thresholds.