Abbreviations, letters, or figures may be used in proceedings for levy and collection of special assessments

N.D.C.C. § 40-22-39, under Improvements by Special Assessment Method.

N.D.C.C. § 40-22-39

In all proceedings for the levy and collection of special assessments, abbreviations, letters, and figures may be used to denote additions, lots, lands, blocks, sections, townships, ranges, and parts thereof, years, days of the month, and amounts of money.