In the event of any conflict between the English and French versions, the English version shall prevail.26.2  The comments annotating various provisions of the Code shall be used to interpret the Code.26.3  The Code shall be interpreted as an independent and autonomous text and not by reference to the existing law or statutes of the Signatories or governments.26.4  The headings used for the various Parts and Articles of the Code are for convenience only and shall not be deemed part of the substance of the Code or to affect in any way the language of the provisions to which they refer.26.5  Where the term “days” is used in the Code or an International Standard, it shall mean calendar days unless otherwise specified.26.6  The Code shall not apply retroactively to matters pending before the date the Code is accepted by a Signatory and implemented in its rules.