FEINFormatError
Example
{
	"code": "FEINFormatError",
	"target": "Unknown",
	"details": [
	{
		"code": "FEINFormatError",
		"number": 402,
		"message": "Federal Employer Identification Number (FEIN) is not in the correct format.",
		"description": "The FEIN is a nine digit number. Acceptable formats: 123456789 and 12-3456789.",
		"faultCode": "Client",
		"helpLink": "http://developer.avalara.com/avatax/errors/FEINFormatError",
		"severity": "Error"
	}
]
}
Explanation

This error indicates that the Federal Employer Identification Number (FEIN) that you provided is not in the correct format. The FEIN is a nine digit number. Acceptable formats: 123456789 and 12-3456789.