AC Extend twenty days, then discard
AD Extend two months, then discard
AE Extend four months, then discard
AF Extend twelve months, then discard
AG Extend six months, then three months, then discard
AH Extend six months, then six months, then discard
AJ Extend twelve months, then six months, then discard
AK Extend twelve months, then twelve months, then discard
AL Extend twenty four months, then twenty four months, then discard
AM Extend three months, then two months, then discard
AN Extend four months, then two months, then discard
AP Extend two months, then one month, then discard
AR Extend three months, then discard
AS Extend six months, then discard
AU Extend three months, then three months, then discard
AV Extend twelve months, then discard
AW Extend 12 months. Number of extensions allowed 3, then discard
BC Extend one month, then discard
BD No extension allowed or 4 months extension on unopened roll of material only if a sample of the adhesive film (without foil) is available and has been stored continuously with the batch it represents during the shelf life of the material.
BE No extension allowed or 4 months extension on unopened rolls of material only if a sample of the HLU test kit is available and has been stored continuouly with the batch it represents during the shelf life of the material.