ShipScript has been an eBay Community volunteer since 2003, specializing in HTML, CSS, Scripts, Photos, Active Content, Technical Solutions, and online Seller Tools.
If you are looking for sales tax info, eBay collects and remits the sales tax.
More info, including eBay's tax ID, can be found here:
https://www.ebay.com/help/selling/fees-credits-invoices/taxes-import-charges?id=4121
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