(1) Each car of a height exceeding fifteen (15) feet six (6) inches from top of rail to top of running board, the movement of which is hereby authorized, shall be marked, stenciled or placarded, and such markings maintained in a legible condition to read:

"THIS CAR

EXCESS

HEIGHT"

The words "EXCESS HEIGHT" to occupy the greater portion of a rectangular space 7" x 10" enclosed within a 3/4" solid border. The markings required shall be made permanent on owned cars as soon as practicable. Lettering and border of signs shall be of colors contrasting to that of the car body. All such required marking and placarding shall be placed on the side adjacent to the ladder or hand-holds near the floor line of the car at each of the four corners.

(2) Each car of a width exceeding ten (10) feet ten (10) inches, the movement of which is hereby authorized, shall be marked, stenciled or placarded and such markings maintained in a legible condition to read:

"THIS CAR

EXCESS

WIDTH"

The words "EXCESS WIDTH" to occupy the greater portion of a rectangular space 7" x 10" enclosed within a 3/4" solid border. The markings required shall be made permanent on owned cars as soon as practicable. Lettering and border of signs shall be of colors contrasting to that of the car body. All such required marking and placarding shall be placed on the side adjacent to the ladder or handholds near the floor line of the car at each of the four corners.