(v) for taxable periods beginning after December 31, 2019, by multiplying such remainder by the sales factor set forth in subparagraph c. of this paragraph (6).
The factors shall be calculated as follows:
a. The property factor shall equal the average of the value, at the beginning and end of the income year, of all the real and tangible personal property, owned or rented, in this State by the taxpayer, expressed as a percentage of the average of the value at the beginning and end of the income year of all such property of the taxpayer both within and without this State; provided, that any property, the income from which is separately allocated under paragraph (b)(1) of this section or which is not used in the taxpayer's business, shall be disregarded, and provided further, that in the case of a Non-U.S. corporation, property without this State shall include only property located without this State, but also within the United States of America. For the purposes of this paragraph, property owned by the taxpayer shall be valued at its original cost to the taxpayer, and property rented by the taxpayer shall be valued at 8 times the annual rental;
b. The payroll factor shall equal the wages, salaries and other compensation paid by the taxpayer to employees within this State, except general executive officers, during the income year expressed as a percentage of all such wages, salaries and other compensation paid within and without this State during the income year to all employees of the taxpayer, except general executive officers; provided, that in the case of a Non-U.S. corporation, wages, salaries and other compensation paid without this State during the income year shall include only wages, salaries and other compensation paid during the income year to employees of the taxpayer, except general executive officers, that are deductible under §882 of the Internal Revenue Code of 1986 (
26 U.S.C. §882 ), as amended, in determining federal taxable income which is effectively connected with the conduct of a trade or business within the United States of America;
c. The sales factor shall equal the gross receipts from sales of tangible personal property physically delivered within this State to the purchaser or the purchaser's agent (but not including delivery to the United States mail or to a common or contract carrier for shipment to a place outside this State) and gross income from other sources within this State for the income year expressed as a percentage of all such gross receipts from sales of tangible personal property and gross income from other sources both within and without the State for the income year; provided, that any receipts or items of income that are excluded in determining the taxpayer's entire net income or are directly allocated under paragraphs (b)(1) to (5) of this section shall be disregarded.
This paragraph (b)(6) shall not apply in the case of:
(i) an asset management corporation,
(ii) a telecommunications corporation or
(iii) a worldwide headquarters corporation.