Referenceperioden i beslutningen af 20. april 2004 var årene 1997-2002. e-glass' konkurrenter anførte, at analysen burde baseres på en anden referenceperiode for at tage hensyn til de nyere data, som nu foreligger.
The reference period in the decision of 20 April 2004 was the years 1997 to 2002. Competitors of e-glass suggested that the reference period for the analysis should be adjusted to take more recent data into account that is now available.