35 Ill. Adm. Code 203.100
Effective Dates
Section 203.100 Effective Dates
a) Subparts
I through R of this Part do not apply until the effective date of the full approval
of all of those Subparts by the United States Environmental Protection Agency
(USEPA) as a revision to the Illinois State Implementation Plan.
b)
On the effective date of the full approval
of Subparts I through R of this Part by the USEPA as part of Illinois' State
Implementation Plan, the permitting and operation of projects that began actual
construction or may begin actual construction before this date shall continue
to be in compliance with Subparts A through H of this Part.