Search bills, members, committees and pages...
(4) the amount of the natural carbon sink expenditures paid or incurred by the taxpayer during such taxable year.
(f) Natural carbon sink expenditures
For purposes of this section—(1) In general
The term “natural carbon sink expenditures” means expenditures made by the taxpayer for any natural carbon sink if—(A) such natural carbon sink is installed on or in connection with a dwelling unit located in the United States and owned and used by the taxpayer as the taxpayer’s principal residence (within the meaning of section 121),(B) the original use of such natural carbon sink commences with the taxpayer, and(C) such natural carbon sink reasonably can be expected to remain in use for at least 5 years.(2) Natural carbon sink
The term “natural carbon sink” means any flooring, paneling, millwork, cabinetry doors, cabinetry facing, window, or skylight, comprised of deciduous trees grown and processed in the United States.