AccountOverrideNotAuthorized
Example
{
	"code": "AccountOverrideNotAuthorized",
	"target": "Unknown",
	"details": [
		{
			"code": "AccountOverrideNotAuthorized",
			"number": 1407,
			"message": "Your user role '-0-' is not authorized for account override.",
			"description": "Only 'TechnicalSupportAdmin' and 'TechnicalSupportUser' are allowed for account overrides.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/AccountOverrideNotAuthorized",
			"severity": "Error"
		}
	]
}
Explanation

Only Avalara Technical Support users have permission to override accounts. This error indicates that your current role does not permit account overrides.