Apportionable income.

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Apportionable income.

Except as provided in sub. (6), corporations engaged in business both within and without this state are subject to apportionment. Income gain or loss from the sources listed in this paragraph is presumed apportionable as unitary or operational income or other income that has a taxable presence in this state. Apportionable income includes all income or loss of corporations, other than nonapportionable income as specified in par. (b), including, but not limited to, income, gain or loss from the following sources: 1. Sale of inventory. 2.

(1)#

Sale of inventory.

(2)#

Farms, mines and quarries.

(3)#

Sale of scrap and by-products.

(4)#

Commissions.

(5)#

Sale of real property or tangible personal property used in the production of business income.

(6)#

Royalties from intangible assets.

(7)#

Redemption of securities.

(8)#

Interest on trade accounts and trade notes receivable.

(9)#

Interest and dividends if the operations of the payer are unitary with those of the payee, or if those operations are not unitary but the investment activity from which that income is derived is an integral part of a unitary business and the payer and payee are neither affiliates nor related as parent company and subsidiary. In this subdivision, “investment activity” includes decision making relating to the purchase and sale of stocks and other securities, investing surplus funds and the management and record keeping associated with corporate investments, not including activities of a broker or other agent in maintaining an investment portfolio.

(10)#

Sale of intangible assets if the operations of the company in which the investment was made were unitary with those of the investing company, or if those operations were not unitary but the investment activity from which that gain or loss was derived is an integral part of a unitary business and the companies were neither affiliates nor related as parent company and subsidiary. In this subdivision, “investment activity” has the meaning given under subd. 9.

(11)#

Management fees.

(12)#

Franchise fees.

(13)#

Treble damages.

(14)#

A partner’s share of income or loss from a partnership or a member’s share of income or loss from a limited liability company.

(16)#

Foreign exchange gain or loss.

(17)#

Sale of receivables.

(18)#

Rentals of, or royalties from, real property or tangible personal property if that real property or tangible personal property is used in the business.

(19)#

Sale or exchange of petroleum at the wellhead.

(20)#

Personal services performed by employees of the corporation.

(21)#

Patents, copyrights, trademarks, trade names, plans, specifications, blueprints, processes, techniques, formulas, designs, layouts, patterns, drawings, manuals and technical know-how.

(22)#

Redemption of the corporation’s bonds.

(23)#

Interest on state and federal tax refunds on business income or business property.

(24)#

Pari-mutuel wager winnings or purses under ch. 562.