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INTERNAL REVENUE CODE OF 1964,
with respect to rents and royalties shall be determined without regard to the provisions of this subsection. The date of disposal of such timber shall be deemed to be the date such timber is cut, b u t if payment is made to the owner under the contract before such timber is cut the owner may elect to treat the date of such payment as the date of disposal of such timber. For purposes of this subsection, the term "owner" means any person who owns an interest in such timber, including a sublessor and a holder of a contract to cut timber. (c)
DISPOSAL OF COAL W I T H A R E T A I N E D ECONOMIC I N T E R E S T. —
I n the case of the disposal of coal (including lignite), held for more than 6 months before such disposal, by the owner thereof under any form of contract by virtue of which such owner retains an economic interest in such coal, the difference between the amount realized from the disposal of such coal and the adjusted depletion basis thereof plus the deductions disallowed for the taxable year under section 272 shall be considered as though it were a gain or loss, as the case may be, on the sale of such coal. Such owner shall not be entitled to the allowance for percentage depletion provided in section 613 with respect to such coal. This subsection shall not apply to income realized by any owner as a co-adventurer, partner, or principal in the mining of such coal, and the word "owner" means any person who owns an economic interest in coal in place, including a sublessor. The date of disposal of such coal shall be deemed to be the date such coal is mined. In determining the gross income, the adjusted gross income, or the taxable income of the lessee, the deductions allowable with respect to rents and royalties shall be determined without regard to the provisions of this subsection. This subsection shall have no application, for purposes of applying subchapter G, relating to corporations used to avoid income tax on shareholders (including the determinations of the amount of the deductions under section 535 (b)(6) or section 545(b)(5)). SEC. 632. SALE OF OIL OR GAS PROPERTIES.
In the case of a bona fide sale of any oil or gas property, or any interest therein, where the principal value of the property has been demonstrated by prospecting or exploration or discovery work done by the taxpayer, the portion of the surtax imposed by section 1 attributable to such sale shall not exceed 30 percent of the selling price of such property or interest.
631(b)
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