You can find the CSV Bulk Upload template by clicking on Bulk Posting at the top of any Local Brand Manager page, then selecting the CSV Bulk Upload option, seen below. You can alternatively click this link.

On the far right side of the screen, you'll see a View Example link, as you can see below:

That link will take you to this Google Sheet, which contains the CSV Bulk Upload Template. You will need to save it and open it with your own Google account to make changes.