1. Power brake law of 1958, Power or train brakes safety appliance act of 1958, and rules, standards, and instructions for installation, inspection, maintenance, and repair of power or tram brakes, effective Aug. 9, 1958. Bookmark Corporate/Agency Authors: Interstate Commerce Commission Publisher: Interstate Commerce Commission Date: [1958.] SuDoc number: IC 1 saf.5/2:B 73