eBay have started to remind sellers that they are adding new categories to the requirement from 29 February 2016. From the week of 29 February, you won’t be able to complete listing, relisting or revising items in these categories without including the required product identifiers.
We’ve already published a full list of categories and which product identifiers are required. You can find out which of your listings are missing product identifiers now in My eBay > Selling > Listing improvements as long as you’ve got these switched, or by using the .
To help you find out more about product identifiers, there are three this week on the 12th, 13th and 14th January 2016 from 5-6pm.