diff --git a/Recurly/Resources/Plan.cs b/Recurly/Resources/Plan.cs
index 830d9977..c54e5079 100644
--- a/Recurly/Resources/Plan.cs
+++ b/Recurly/Resources/Plan.cs
@@ -153,5 +153,9 @@ public class Plan : Resource
         [JsonProperty("updated_at")]
         public DateTime? UpdatedAt { get; set; }
 
+        /// <value>Used by Vertex for tax calculations. Possible values are `sale`, `rental`, `lease`.</value>
+        [JsonProperty("vertex_transaction_type")]
+        public string VertexTransactionType { get; set; }
+
     }
 }
diff --git a/Recurly/Resources/PlanCreate.cs b/Recurly/Resources/PlanCreate.cs
index f8716f71..2137d336 100644
--- a/Recurly/Resources/PlanCreate.cs
+++ b/Recurly/Resources/PlanCreate.cs
@@ -180,5 +180,9 @@ public class PlanCreate : Request
         [JsonConverter(typeof(RecurlyStringEnumConverter))]
         public Constants.IntervalUnit? TrialUnit { get; set; }
 
+        /// <value>Used by Vertex for tax calculations. Possible values are `sale`, `rental`, `lease`.</value>
+        [JsonProperty("vertex_transaction_type")]
+        public string VertexTransactionType { get; set; }
+
     }
 }
diff --git a/Recurly/Resources/PlanUpdate.cs b/Recurly/Resources/PlanUpdate.cs
index 34818397..fb1737ab 100644
--- a/Recurly/Resources/PlanUpdate.cs
+++ b/Recurly/Resources/PlanUpdate.cs
@@ -162,5 +162,9 @@ public class PlanUpdate : Request
         [JsonConverter(typeof(RecurlyStringEnumConverter))]
         public Constants.IntervalUnit? TrialUnit { get; set; }
 
+        /// <value>Used by Vertex for tax calculations. Possible values are `sale`, `rental`, `lease`.</value>
+        [JsonProperty("vertex_transaction_type")]
+        public string VertexTransactionType { get; set; }
+
     }
 }
diff --git a/openapi/api.yaml b/openapi/api.yaml
index b8cfb558..bcad8e35 100644
--- a/openapi/api.yaml
+++ b/openapi/api.yaml
@@ -21353,6 +21353,11 @@ components:
           title: Tax exempt?
           description: "`true` exempts tax on the plan, `false` applies tax on the
             plan."
+        vertex_transaction_type:
+          type: string
+          title: Vertex Transaction Type
+          description: Used by Vertex for tax calculations. Possible values are `sale`,
+            `rental`, `lease`.
         currencies:
           type: array
           title: Pricing
@@ -21568,6 +21573,11 @@ components:
           title: Tax exempt?
           description: "`true` exempts tax on the plan, `false` applies tax on the
             plan."
+        vertex_transaction_type:
+          type: string
+          title: Vertex Transaction Type
+          description: Used by Vertex for tax calculations. Possible values are `sale`,
+            `rental`, `lease`.
         currencies:
           type: array
           title: Pricing
@@ -21832,6 +21842,11 @@ components:
           title: Tax exempt?
           description: "`true` exempts tax on the plan, `false` applies tax on the
             plan."
+        vertex_transaction_type:
+          type: string
+          title: Vertex Transaction Type
+          description: Used by Vertex for tax calculations. Possible values are `sale`,
+            `rental`, `lease`.
         currencies:
           type: array
           title: Pricing