Report A Labor Law Complaint. logo. File a complaint with the Illinois Department of Labor.For more information or to file a complaint about an employer's practices, please call the Workplace Rights Hotline at 1-844-740-5076 or use the complaint form. This handbook will serve as your most reliable reference on unfair labor practices in federal and state labor law matters. We file unfair labor practice charges at the NLRB. We represent unions and workers at hearings before an administrative law judge. If you experience any injustice in the workplace, such as sexual harassment, discrimination or unpaid wages, you'll need an employment law attorney. Consumer Fraud Helplines 1-800-386-5438 (Chicago) 1-800-243-0618 (Springfield) 1-800-0618-0607 (Carbondale). Individuals with hearing At a State or Local Fair Employment Practice Agency.