US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDSUBCHAPTER a: PERMITS AND GENERAL PROVISIONSPart 203 — MAJOR STATIONARY SOURCES CONSTRUCTION AND MODIFICATIONSubpart Q203.242035 Ill. Adm. Code 203.2420Transition RequirementsLast amended: 2025Year: 2026Length: 21 wordsOfficial source Section 203.2420 Transition Requirements The Agency may not issue a PAL that does not comply with the requirements in this Subpart.Previous35 Ill. Adm. Code 203.2410