26 CFR 1.58-3T: -3T Treatment of non-alternative tax itemized deductions by trusts and estates and their beneficiaries in taxable years beginning after December 31, 1982 (temporary).

For purposes of section 58(c), in taxable years beginning after December 31, 1982, itemized deductions of a trust or estate which are not alternative tax itemized deductions (as defined in section 55(e)(1)), shall be treated as items of tax preference and apportioned between trusts and their beneficiaries, and estates and their beneficiaries.