Harry Truman actually said...
As provided by section 10 of the Railway Labor Act, as amended, from this date and for thirty days after the Board has made its report to the President, no change, except by agreement shall be made by the carriers represented by the Eastern Carriers' Conference Committee, Western Carriers' Committee and Southeastern Carriers' Conference Committee, or their employees in the conditions out of which the said dispute arose.
02/14/1949