US lawIllinoisRegulationsTitle 14 — COMMERCECHAPTER I: SECRETARY OF STATEPart 150 — BUSINESS CORPORATION ACTSubpart G150.73014 Ill. Adm. Code 150.730Business HoursLast amended: 2005Year: 2026Length: 24 wordsOfficial source Section 150.730 Business Hours In Springfield, the Department of Business Services business hours are 8:00 a.m. to 4:30 p.m., Monday through Friday, except holidays.Previous14 Ill. Adm. Code 150.725Next14 Ill. Adm. Code 150.735