The Code of Practice consists of five parts including; material testing, container selection, container labelling, incident management and training. Following a process of review, implementation and audit, Trans Ocean became the very first flexitank operator in the industry to submit all documents to the COA, including independent audit reports where required. āThis is a significant milestone, and the path leading to this achievement has been both interesting and challengingā, said Brendan McKenna, Hillebrand Group Board Member.