It's nice to have you here on the Community page, @staygoldenboy79.
The service code is given by our support team to the tax bundle subscribers. With that special code, users can bypass or apply a discount to the TurboTax filing fee.
For additional information about managing and sending taxes information to TurboTax Online, you can check out these articles:
Leave a comment below if you have any other questions. I'm always here to help. Have a great day!