https://www.kugli.com/Classified_Ads/adid/201951907/adtitle/PayPal_Merchant_Accounts_Elk_Grove_USA/

But if you’re a sole proprietor, you need to file legal documents with your state government (by and large the secretary of state) to make your business formally acknowledged in your state. It’s not quite the same as a business license for PayPal merchant accounts.