- Error Code 240: The item cannot be listed or modified. The title and/or description may contain improper words, or the listing or seller may be in violation of eBay policy. Alert: To sell baby formula on eBay, you need to specify the expiration date (mm/dd/yyyy) and include the following text in your listing: This baby formula is not expired – the expiration date is mm/dd/yyyy. It's against eBay policy to sell expired baby formula.

Explanation and resolution:

As outlined in the error message and as requested by eBay, in this example the listing description should include the specific description regarding the expiration date for the items in order to comply with eBay policy for this particular category and see the example below: