CA AB1356

Increases advance notice requirement for mass layoffs, relocations, and terminations from 60 days to 75 days before the order takes effect.

Modifies notice requirements to local workforce investment boards and city/county officials to apply only when a termination, relocation, or mass layoff impacts 50 or more employees at a single location.

Expands the definition of "employee" and "employer" to include workers employed by labor contractors performing work with client employers for at least 6 months and 60 hours preceding notice, and defines client employers as responsible employers.

Increases maximum employer liability from 60 days to 75 days of back pay and benefits for failing to provide required notice.

Prohibits employers from conditioning severance payments on employee waivers of claims, nondisparagement agreements, or nondisclosure agreements; violations are void and subject to civil penalties of up to $500 per violation.