Interexchange carrier billing inquiry includes expenses related to the handling of interexchange carrier billing inquiries. Based on the relative number of actual contacts, weighted, if appropriate, to reflect differences in the average work time per contact, intrastate interexchange carrier billing inquiry expenses are assigned to the subcategories of intrastate special access and private line, intrastate switched access and message toll including WATS, and intrastate billing and collection. These subcategories are assigned as follows:

1. (1) Intrastate special access and private line billing inquiry expense is assigned to toll services;
2. (2) Intrastate switched access and message toll including WATS billing inquiry expense is assigned to toll services;
3. (3) Intrastate billing and collection billing inquiry expense is assigned to toll services.

Source: 19 SDR 111, effective January 31, 1993.

General Authority: SDCL 49-1-11 , 49-31-5 , 49-31-18 .

Law Implemented: SDCL 49-31-18 .