We’d also recommend you examine this short article That ought to answer a few of your questions about codes and permits: This allows it for being stacked with 40ft containers. The 2 ~4ft extensions on Each individual on the 48ft shipping containers are equivalent in structure to All those in https://20ftinsulatedshippingcont79012.madmouseblog.com/11190730/fascination-about-40-ft-high-cube-container-dimensions-hapag-lloyd