The revised Regulation 13G of Annex I of MARPOL 73/78 maintains the requirements for Category (1) tankers, after 25 years, to have wingtanks or double bottoms in protective locations not used for the carriage of cargo or to operate only with hydrostatically balanced loading.
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New version applies from 21/12/2009.
24 provisions change.
Later versions: 20/07/2012.
Recital 14 changes in this version: compare with the current text.