N.D. Cent. Code § 49-06-15: Corrections and revaluation of public utility property

The commission, upon the making of a valuation, shall:

1.Keep itself informed through its experts and other assistants of all extensions and improvements or other changes in the conditions and value of the property of the public utility;

2.Ascertain the value of such extensions, improvements, and changes; and

3.Revise and correct, from time to time, its valuation of such property.