The following definitions apply to rules found in this subchapter:
(1) "Nonbusiness deduction" has the same meaning as nonbusiness deduction for federal income tax purposes when computing a net operating loss and includes the following Montana items:
(a) the standard deduction provided in 15-30-2132, MCA;
(b) the deduction for federal income taxes provided in 15-30-2131, MCA, to the extent not attributable to business profits;
(c) the deduction for political contributions provided in 15-30-2131, MCA;
(d) the part of the deduction for expenses for organic and byproduct inorganic fertilizer provided in 15-30-2131, MCA, that is not a trade or business expense;
(e) the deduction for payments for premiums for medical care and for premiums and certificates for long-term care provided in 15-30-2131, MCA;
(f) the deduction for a light vehicle registration fee provided in 15-30-2131, MCA, if it is not a trade or business expense;
(g) the deduction for the patriotic license plate surcharge provided in 15-30-2142, MCA, if it is not a trade or business expense;
(h) the deduction for per capita livestock fees if they are not trade or business expenses; and
(i) the deductions for charitable contributions, including contributions to the child abuse and neglect prevention program provided in 15-30-2131 and 15-30-2143, MCA, donations of computer equipment to schools by small business corporations provided in 15-31-172, MCA, and donations to the veterans' services account or the state veterans' cemetery program provided in 15-30-2142, MCA.
(2) "Nonbusiness income" has the same meaning as nonbusiness income for federal income tax purposes when computing a net operating loss and includes the following Montana items:
(a) interest on the obligations of another state or territory and mutual fund dividends attributable to the interest;
(b) federal income tax refunds and other recoveries of nonbusiness deductions in a prior tax year that reduced Montana income tax;
(c) income attributable to the unqualified withdrawals from medical savings accounts provided in 15-61-203, MCA, and the unqualified withdrawals from first-time home buyer savings accounts provided in 15-63-203, MCA; and
(d) decrease in the federal charitable contribution deduction attributable to claiming a charitable endowment tax credit.