Economic Interest

Economic Interest means:
any interest that a taxpayer has acquired by investment in a mineral in place and secured by any form of legal-relationship income derived from the extraction of the mineral to which he or she must look for a return of capital. A holder of an economic interest in an exhaustible natural resource is allowed a depletion deduction. Former Tax Regulation (check if this Reg. is current here) § 1.61 l-l(b)(l).