When there is an open hook coupling on either end of the car, the hook and links must be attached so that when hanging down, the coupling will be clear of the ties and rail.
225 ILCS 705/22.10
When there is an open hook coupling on either end of the car, the hook and links must be attached so that when hanging down, the coupling will be clear of the ties and rail
Laws 1953, p. 701.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.