I'm here to provide some information about the SSN/EIN of QuickBooks, usergaurav.
In QuickBooks, SSN is a nine-digit number issued to U.S. citizens, permanent residents, and temporary residents by the Social Security Administration for personal identification and tax purposes.
On the other hand, an FEIN is a nine-digit number assigned by the IRS to identify a business entity for tax purposes, such as reporting employment taxes and other business-related transactions.
Check out these articles for more details about SSN and EIN in QuickBooks: