MI HB5831

Prohibits employers from wrongfully discharging employees except during a probationary period not to exceed 6 months, which must be established and communicated before or at time of hire.

Defines wrongful discharge as termination in retaliation for refusing to violate public policy, termination without just cause after probationary period, or violation of employer's written personnel policies.

Requires employers to establish "just cause" for discharge based on factors including notification of policies, fair investigation, substantial evidence of violation, and proportionality to offense severity.

Allows employees to file complaints with the Department of Labor and Economic Opportunity within 1 year or bring civil actions within 2 years to recover lost wages, fringe benefits, and punitive damages in retaliation cases.

Establishes administrative penalties of up to $500 for willful violations and prohibits employees from waiving rights under the act; does not apply to employees covered by collective bargaining agreements with just cause protections.