Section 55(12)(iii) in Bihar Factories Rules, 1950
(iii)Slashers operated by push button contra, shall have stop and start buttons located at each end of the machine, and additional buttons located on both sides of the machine at the size box and the delivery end. If calendar rolls are used, additional buttons shall be provided at both size of the machine, at points near the nips, except when slashers are equipped with an enclosed dryer.