From the Neto Dashboard, select to eBay > Listing rules templates
Locate and select the eBay Listing Rules template you would like to edit.
Click on the Categorisation & Listing Rules tab. Edit the Category sections to select or change the eBay and eBay store categories you want assigned products to be listed to.
Please Note: Checking Use category mapping? will ensure that any mappings that already exist will be used first before fallbacks are used.