(1) An auto transportation company must file tariffs and time schedules that:

(a) Are filed in loose-leaf format;

(b) Are typed or mechanically printed (not handwritten) using at least ten-point type; and

(c) Are printed on eight and one-half inch by eleven-inch paper, with margins of at least one-half inch on each side.

(2) Auto transportation companies are encouraged to file their tariffs and time schedules electronically, according to established commission policies and procedures.