North Carolina Administrative Code Title 17 — Revenue
17 NCAC 05C .2403 — Apportionment Of Disc Net Income
The net income of a DISC subject to a tax measured by net income both within and without this state shall be apportioned to this state by use of the applicable apportionment formula set out in G.S. 105-130.4. The ratio determined thereunder for apportioning the net income of the DISC shall be computed by including the property, payrolls and sales of the parent corporation and related participants in the respective factors of the DISC.
Source: official text