Partnership distributions
(4) Partnership distributions. The adjusted exploration expenditures with respect to any property or mine received by a taxpayer in a distribution with respect to all or part of his interest in a partnership (i) include the adjusted exploration expenditures (not otherwise included under section 617(f)(1)) with respect to such property or mine immediately prior to such distribution and (ii) shall be reduced by the amount of gain to which section 751(b) applies realized by the partnership (as constituted after the distribution) on the distribution of such property or mine. In the case of any property or mine held by a partnership after a distribution to a partner to which section 751(b) applies, the adjusted exploration expenditures with respect to such property or mine shall be reduced by the amount of gain (if any) to which section 751(b) applies realized by such partner with respect to such distribution on account of such property or mine. (5) Amount of transferee's adjusted exploration expenditures immediately after certain acquisitions(i) Transactions in which basis is determined by reference to the cost or fair market value of the property transferred.