CFR›Title 30›Chapter V›Part 556›Subpart F ContainsSubject groups Helium–Length of LeaseCorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart F—Lease Term and Obligations Subject Groups Helium Helium Section 556.606 Lease Obligations Lease Obligations Sections 556.604–556.605 Length of Lease Length of Lease Sections 556.600–556.603 Previous E Subpart E—Issuance of a Lease Next G Subpart G—Transferring All or Part of the Record Title Interest in a Lease