DocumentCodeIsGuid
Example
{
	"code": "DocumentCodeIsGuid",
	"target": "Unknown",
	"details": [
		{
			"code": "DocumentCodeIsGuid",
			"number": 2204,
			"message": "Company has a document code which is a GUID.",
			"description": "Document '-0-' has a GUID as the document code. In order for the company to be certified, there shouldn't be any GUID in the document code in the past month or among the last 100 documents.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/DocumentCodeIsGuid",
			"severity": "Error"
		}
	]
}
Explanation

This error indicates that the company has a GUID document code. For companies to be certified, GUIDs cannot be used in document codes in the last month or in the last 100 documents. To certify this company, the issue must be corrected.