Mont. Admin. r. 38.5.903Download PDFCurrent through Register Vol. 23, December 6, 2024Rule 38.5.903 - EXEMPTION(1) Billing errors on accounts of industrial customers are exempt from the provisions of these rules.Mont. Admin. r. 38.5.903NEW, 1983 MAR p. 1739, Eff. 11/26/83.Sec. 69-3-103, MCA; IMP, Sec. 69-3-102, MCA;