The 1972 Convention for Safe Containers has two goals. One is to maintain a high level of safety of human life in the transport and handling of containers.We offer DNV 2.7-1 ISO Offshore Shipping Containers Houston TX texas. Our are shipping containers are DNV 2.7-1 certified. – Annex I contains regulations for the testing, inspection, approval and maintenance of containers. Want to ship a container internationally? You may need to obtain CSC (Convention for Safe Containers) certification. Containers shall be inspected for compliance with the Hazardous. Material Regulations in 49 CFR 171-180 and the Safety Approval of Cargo Containers.