The costs of the general support facilities of class A companies are apportioned among their operations based on the separation of the costs of the combined big three expenses which include the following accounts:
S.D. Admin. R. 20:10:28:14
General Authority: SDCL 49-1-11, 49-31-5, 49-31-18.
Law Implemented: SDCL 49-31-18.
Central office switching expenses, 47 C.F.R. § 32.6210 (1991). Operator systems expense, 47 C.F.R. § 32.6220 (1991). Central office transmission expense, 47 C.F.R. § 32.6230 (1991). Information origination/termination expenses, 47 C.F.R. § 32.6310 (1991). Cable and wire facilities expenses, 47 C.F.R. § 32.6410 (1991). Network operations expenses, 47 C.F.R. § 32.6530 (1991). Marketing, 47 C.F.R. § 32.6610 (1991). Services, 47 C.F.R. § 32.6620 (1991). Apportionment procedures, 47 C.F.R. § 36.112(a) (1991).