"This meeting tomorrow and Wednesday will be to establish a framework for substantive talks later, but we haven't got a date yet, " a spokesman for the Department of Environment, Transport and the Regions said.
He also said the rate of decomposition for bags varied depending on the environment they were left in and therefore a single date for labelling would be hard to determine.
Given the record-low rate environment, the refinancing pattern is also evident in the year-to-date figures through October, with 59% of total volume earmarked for this purpose.