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Each supplement identifies the new, revised and corrected monographs in the Contents of Supplement section. For revised and corrected texts, changes compared to the previous official standard are identified with track changes in the online version. These indications are given for information and are not necessarily exhaustive. They do not constitute an official part of the texts. More information on the changes can also be found on our dedicated web page (see the ‘Information on content’ tab on the bottom right side of the page) and in the Knowledge database.