The commission may also require utilities to file additional reports of earnings and operating expenses within a specified time, and may require specific answers to questions upon which it may desire information to be made in such reports. (Acts 1907, Ex. Sess., No. 15, p. 29; Code 1923, §9861; Code 1940, T. 48, §47.)
Requiring Reports and Information from Utilities - Additional Reports of Earnings and Operating Expenses
Ala. Code § 37-1-59, under General Provisions.
Ala. Code § 37-1-59