https://www.dotcomreps.com/amazon-marketing-blog/Amazon-SellerCentral-FBA-Hazmat-Program
Amazon started off with its “retail program” known as Vendor Central. This program which they refer to as 1P (first party) represents a program whereby Amazon orders goods from manufacturers directly and stocks them in their warehouse. Its owned goods program, amazon pays for the freight from the manufacturer to the Amazon warehouse and they also pay all of the pick, pack, and ship fees to the end user customer.