CFR › Title 40 › Part 62 › §62.964240 CFR §62.9642Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)The effective date of the submitted 1998 111(d)/129 plan is October 22, 1999.(b)The effective date of the submitted 2000 111(d)/129 plan revision is October 4, 2001.