US lawIllinoisRegulationsTitle 14 — COMMERCECHAPTER I: SECRETARY OF STATEPart 171 — UNIFORM LIMITED PARTNERSHIP ACT (2001)171.4014 Ill. Adm. Code 171.40Business HoursLast amended: 2008Year: 2026Length: 24 wordsOfficial source Section 171.40 Business Hours The Department of Business Services business hours are 8:00 a.m. to 4:30 p.m. in Springfield, Monday through Friday, except holidays.Previous14 Ill. Adm. Code 171.35Next14 Ill. Adm. Code 171.45