A text which establishes a universal system of tonnage measurement for ships engaged in international voyages, this includes: - Final Act of the Conference; - International Convention on Tonnage Measurement of Ships (Tonnage), 1969, including: - Regulations for determining gross and net tonnages of ships - International Tonnage Certificate; - Recommendations adopted by the Conference.
The Maritime Safety Committee, at its 59th session (May 1991), adopted a new International Grain Code. This replaced the original chapter VI of the 1974 SOLAS Convention, which contained detailed regulations on the carriage of grain in bulk, with more general requirements and placed the detailed provisions on grain in a separate mandatory code.