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PayPal returned the "Fax outstanding documentation" error message when you set up your Sandbox business account.

Setting up a business account in the Sandbox requires a distinct SSN (Social Security Number). Entering a non-distinct SSN can trigger the message.

Here's how to avoid this message during account setup:
  1. Enter a nine-digit number beginning with 111, and let the remaining digits be as random as possible. The nine-digit number can't be 111-11-1111.
  2. Click the Money Market fund link at the bottom of the page. This will generate an SSN for you.
If you continue to get the "Fax outstanding documentation" message with your Sandbox business account, open a ticket with Merchant Technical Support.
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