1. (a) All utilities.

   1. (1) Seasonal customers. The average bill is the total of the monthly bills during the “season” as defined in the utility’s tariff, for example, irrigation season or ginning season, divided by the number of months of usage during the season.
   2. (2) Nonseasonal customers. The average bill is the total of the last twelve (12) months’ bills divided by twelve (12).
2. (b) For inadequate billing history. If a customer or an applicant for service has fewer than the required number of months’ billing history with the utility, the average bill shall not be more than the average monthly usage for that class and character of service.

Codification Notes: This section was promulgated as Rule 4.03 of the General Service Rules prior to codification in the Code of Arkansas Rules.