20:10:13:60Schedule D-6 -- Changes in intangible plant working papers.

Schedule D-6 shall show any significant changes in intangible plant for the last five calendar years, ending during the test year. If any materials required in schedule D-6 have already been submitted to the commission, they may be incorporated by specific reference.

Source: 2 SDR 90, effective July 7, 1976; 12 SDR 151, 12 SDR 155, effective July 1, 1986.