N.D. Cent. Code § 57-38.1-10
57-38.1-10. Property factor
57-38.1-10. Property factor
The property factor is a fraction, the numerator of which is the average value of the
taxpayer's real and tangible personal property owned or rented and used in this state during the
tax period and the denominator of which is the average value of all the taxpayer's real and
tangible personal property owned or rented and used during the tax period.