fix: company condition fix, added company field

(cherry picked from commit 7ad2717accea61883f98d418b4abed47ca3937a8)
diff --git a/erpnext/erpnext_integrations/taxjar_integration.py b/erpnext/erpnext_integrations/taxjar_integration.py
index 1adc1dd..a4e2157 100644
--- a/erpnext/erpnext_integrations/taxjar_integration.py
+++ b/erpnext/erpnext_integrations/taxjar_integration.py
@@ -159,7 +159,7 @@
 	if not TAXJAR_CALCULATE_TAX:
 		return
 
-	if get_region(doc.company):
+	if get_region(doc.company) != 'United States':
 		return
 
 	if not doc.items: