TaxRuleRequiresNexus
Example
{
	"code": "TaxRuleRequiresNexus",
	"target": "Unknown",
	"details": [
		{
			"code": "TaxRuleRequiresNexus",
			"number": 1701,
			"message": "You must declare nexus in -0- before creating this tax rule.",
			"description": "Please use the 'CreateNexus' API to create a Nexus for '-0-' before you create this tax rule.",
			"faultCode": "Client",
			"helpLink": "http://developer.avalara.com/avatax/errors/TaxRuleRequiresNexus",
			"severity": "Error"
		}
	]
}
Explanation

This error indicates that nexus is not declared in this region, therefore no tax rule can be created. Please create a nexus before declaring tax rule in this region/state, by using CreateNexus API.