The supplier and the retail chain shall keep each other updated in all circumstances that may be relevant for successful assortment change.
Sales and inventory data are made available as soon as they can be communicated.
Service Level – for wholesaler and retailer – are measured and exchanged.
For definition of service level refer to Service level – Purpose, types of target measures and assumptions with any clarifications in the retail chain / supplier agreement.
In case of significant deviations in service levels, assortment coding and forecasts are therefore natural reference points.