how do I get on the authorised supplier list for PPE

Hi, our core business is PPE, cleaning products, hand hygiene and covid products. I have tried to post masks on my shop but ebay won't let me. I spoke to customer services and they say I have to be on the authorised seller list but I can't find anyway of contacting the. Has anyone got contact details they can share please. 

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I am sure that ebay has enough Authorised Sellers. Those on the list would have been selling similar products on ebay prior to the Pandemic.