Show pagesourceOld revisionsBacklinksExport to PDFBack to top × 2.3.9. Expiry definitions (PMX_EXDE) A list of possible expiry definitions. This is used to calculate best before dates. Days The number of days to add. Months The number of months to add. Years The number of years to add. Log InAdmin Detach Close This topic does not exist yet You've followed a link to a topic that doesn't exist yet. If permissions allow, you may create it by clicking on Create this page.