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Check what changes we have introduced to the GTIN (EAN) parameter on February 25
ISBN and ISSN are assigned to publications, such as books or newspapers. You can provide them as the GTIN (EAN) parameter values in specified categories. Learn more.
How it worked before
Sellers could provide the ISBN or ISSN in the GTIN (EAN) parameter — even if their offer did not include books or magazines.
What we have changed
You can now provide the ISBN or ISSN in that parameter only if you list offers in specified categories. It will not be possible in other categories. This change will allow us to improve the data quality of the Allegro Product Catalog.
What it means for you
To list a new offer:
- enter the correct value in the GTIN (EAN) parameter or
- report a category change for the product you sell.
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