CFR›Title 30›Chapter V›Part 581›Subpart D ContainsSections 581.40–581.43CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart D—Assignments and Lease Extensions Sections 581.40 § 581.40 Assignment of leases or interests therein. 581.41 § 581.41 Requirements for filing for transfers. 581.42 § 581.42 Effect of assignment on particular lease. 581.43 § 581.43 Effect of suspensions on lease term. Previous C Subpart C—Financial Considerations Next E Subpart E—Termination of Leases