(225 ILCS 705/17.02) (from Ch. 96 1/2, par. 1702)
Sec. 17.02.
When undercut or sheared, or undercut and sheared, the entry, crosscut, and room-neck may be advanced concurrently, but not more than one cutting shall be shot in the room-neck until the crosscut is finished.
(Source: Laws 1953, p. 701.)