The safe operations of tankers are achieved by following the safe operating procedures geven in publications like International Safety Guide for Oil Tankers and Terminals(ISGOTT) and International Safety Guide for Inland Navigation Tank barges and Terminals(ISINTT) published by various organisations like Oil Companies International Marine Forum(OCIMF), Central Commission for the Navigation of Rhine(CCNR), International Chamber of Shipping(ICS) and International Association of Ports and Harbours(IAPH).
Also in the Safety Management System Manual required by the ISM code the safe operating procedures are to be given for various operations onboard the ships.