Section 155(9) in The Dedicated Freight Corridor Railway General Rules, 2018
(9)Description and Preparation of Caution Order, - (a) the caution order referred to in sub-rule (1) of the rule 155 shall be prepared on white paper in blue or black ink or typed or made out on computers with the words "CAUTION ORDER" written on top of the form in bold letters of appropriate font size to draw attention distinctly and signed in full with station stamp;(b)all forms should be serially numbered, machine printed or assigned by computer;(c)caution Order shall be prepared in two foils-one each for the Loco pilot and station record;(d)entries shall not be made on the back of the caution order, if more than one Caution Order form or page is used, pages shall be serially numbered;(e)it shall specify the kilometerage and the station at which or stations between which caution is required to be observed, the reason thereof and the speed at which the train will travel on the restricted zone. Full station name and its code shall be used instead of code alone;(f)wherever speed restrictions are required to be observed at two or more locations, the kilometrage of all such locations shall be indicated in geographical order in relation to the direction of movement, and serially numbered;(g)in case of any error in printing or overwriting, a fresh one shall be prepared.