69-12-423. Fees to be charged by commission. (1) The public service commission may, except as otherwise provided by law, require and receive fees before filing annual reports, tariffs, schedules, applications, and supplements not provided by law to be furnished free of charge.

(2) The commission shall require and receive an additional sum to be set by the commission to pay the cost of publishing such notice as may be required by this chapter.

(3) This section does not require or authorize the public service commission to collect fees for the filing of annual reports, tariffs, schedules, and supplements of these which relate solely to interstate commerce.