One master tracing and two print copies not smaller than 17 x 22 inches. An approval box 2 x 3 inches will be
shown in the upper right-
hand corner within the border of the drawing as follows:
The provisions of 4b apply except that additional information that may be necessary to comply with ICC
Regulations for Transportation of Explosives and Other Dangerous Articles for either rail or highway movement, as
appropriate, will be referred to in the General Notes in lieu of applicable rules of the Open Top Carloading Manual as
indicated in referenced paragraph.