US lawIllinoisRegulationsTitle 86 — REVENUECHAPTER I: DEPARTMENT OF REVENUEPart 140 — SERVICE OCCUPATION TAXSubpart M140.131086 Ill. Adm. Code 140.1310Blanket Percentage Exemption Certificates (Repealed)Last amended: 1990Year: 2026Length: 9 wordsOfficial source Section 140 Section 140.1310 Blanket Percentage Exemption Certificates (Repealed)Previous86 Ill. Adm. Code 140.1305