Indiana Code Title 8. Utilities and Transportation § 8-9-1-1

(1) publish printed rules for the control and operation of those trains;

(2) deliver copies of the rules to all persons engaged in the operation of those trains;

(3) file a copy of the rules with the Indiana department of transportation;

(4) instruct employees in the application of those rules;  and

(5) examine employees about the rules at least once each six (6) months after employment until the service has continued for eighteen (18) months and at least once every two (2) years thereafter.