diff --git a/api/sf-gate/sf_gate_models/tax_type.go b/api/sf-gate/sf_gate_models/tax_type.go
index 63804ba..4161abb 100644
--- a/api/sf-gate/sf_gate_models/tax_type.go
+++ b/api/sf-gate/sf_gate_models/tax_type.go
@@ -37,6 +37,9 @@ type TaxType struct {
 	// Category
 	Category string `json:"category,omitempty"`
 
+	// chain type
+	Chaintype string `json:"chaintype,omitempty"`
+
 	// Collector Domain Id
 	Collectordomainid string `json:"collectordomainid,omitempty"`
 
diff --git a/swagger/apex-taxnexus.yaml b/swagger/apex-taxnexus.yaml
index 463faa4..3439977 100644
--- a/swagger/apex-taxnexus.yaml
+++ b/swagger/apex-taxnexus.yaml
@@ -4156,6 +4156,8 @@ definitions:
         type: number
       category:
         type: string
+      chaintype:
+        type: string
       collectordomainid:
         type: string
       companyid:
diff --git a/swagger/sf-gate-taxnexus.yaml b/swagger/sf-gate-taxnexus.yaml
index aad6e07..009c267 100644
--- a/swagger/sf-gate-taxnexus.yaml
+++ b/swagger/sf-gate-taxnexus.yaml
@@ -8257,6 +8257,9 @@ definitions:
       category:
         description: Category
         type: string
+      chaintype:
+        description: chain type
+        type: string
       collectordomainid:
         description: Collector Domain Id
         type: string