A worker may file a complaint with the Illinois Department of. Every employer shall be required, at least semi-monthly, to pay every employee all wages earned during the semi-monthly pay period.If you think we may have recovered unpaid wages for you, use the Workers Owed Wages (WOW) application to search and claim them. The Attorney General's Workplace Rights Bureau protects and advances the employment rights of all Illinois residents. The bureau investigates and litigates cases involving serious or persistent wage law violations or other significant employment practices. Overtime pay at a rate not less than one and one-half times the regular rate of pay is required after 40 hours of work in a workweek. Unpaid Wages Hotline: 1-312-793-2808.