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When clients who service Meijer got go to set up new items in Avantalytics they need to provide an item → UPC map in order to have the Meijer EDI data report correctly at the item level. However lookups for new items in Meijer VendorNet provide UPCs in 11-digit format while the EDI data reports data in the 12-digit (GTIN-12) format. Submissions with 11 digits therefore won't tie out to EDI results.
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If you run into this alot a lot you can create an Excel file with a formula for calculating the check digit by following the steps in the link below:
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