RS 47:287.92: Segregation of items of gross income

A. All items of gross income, not otherwise exempt, shall be segregated into two general classes designated as allocable income and apportionable income.

B. Allocable income. The class of gross income to be designated as "allocable income" shall include only the following:

(1) Rents and royalties from immovable or corporeal movable property.

(2) Royalties or similar revenue from the use of patents, trademarks, copyrights, secret processes, and other similar intangible rights.

(3) Income from estates, trusts, and partnerships.

(4) Income from construction, repair, or other similar services.

C. Apportionable income. The class of income to be designated as "apportionable income" shall include all items of gross income which are not properly includable in allocable income as defined in this Section.