N.D.C.C. § 57-38-05 — Certain income of nonresidents not taxed

Unless the income, gains, or both, arise from transactions in the regular course of the
taxpayer's trade or business carried on in this state, or unless the acquisition, management, and
disposition of intangible personal property constitutes a trade or business carried on in this
state, or unless the income, gains, or both, arise from gaming activity carried on in this state,
income of nonresidents derived from land contracts, mortgages, stocks, bonds, or other
intangible personal property, or from the sale of intangible personal property, may not be taxed.