Can't say 100% if its on sold by Amazon products but there have been a lot of reports of shady sellers using this to ship out fakes by faking the manufacturer b

Can't say 100% if its on sold by Amazon products but there have been a lot of reports of shady sellers using this to ship out fakes by faking the manufacturer barcodes. The FBA faq pages list commingling but are not specific about how its applied.