20:10:24:15Utility investigation fund -- Criteria for

determining deposit amount. The amount each party shall be assessed for the utility investigation fund for an investigation or hearing initiated pursuant to SDCL 49-31-3.2 to 49-31-3.4, inclusive, 49-31-4, and 49-31-4.1 shall be determined by the commission considering the following factors: (1) The company's annual operating income; (2) The company's annual revenues; (3) The company's annual investments; (4) The number of South Dakota customers who annually use the service; (5) The minutes of usage provided to South Dakota customers by the company annually; (6) The extent of the company's participation in the proceeding; (7) The complexity of the issues addressed; and (8) Any other factors which may be relevant in assessing a party's involvement in such a proceeding.

Source: 16 SDR 106, effective December 27, 1989.