Home › CFR › Title 40 › Part 62 › §62.363240 CFR §62.3632 — Effective Date.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe Federal effective date of the Indiana CAA Section 111(d) state plan for existing MSW landfills is January 8, 2024.