35 Ill. Adm. Code 217.451
Sunset Provisions
Section 217.451 Sunset Provisions
Except for Sections 217.454(a) and (b) and 217.456(c),
(e)(1)(B) through (D), and (e)(2), the provisions of this Subpart U shall not
apply for any control period in 2009 or thereafter. Compliance for 2009 and
after is required for these subsections. Noncompliance with the provisions of
this Subpart that occurred prior to 2009 is subject to the applicable
provisions of this Subpart.