CFR›Title 43›Subtitle B›Chapter II›Part 3430›Subpart 3436›43 CFR 3436.1 Citation43 CFR 3436.1CorpusDaily eCFRDisplayed edition2026-08-12Last updated2026-08-12 § 3436.1 Coal lease exchanges. Previous 3436.0-5 § 3436.0-5 Definitions. Next 3436.1-1 § 3436.1-1 Qualified lease proponents.