diff --git a/specification/paths/ServiceRates.json b/specification/paths/ServiceRates.json
index fba5861..76d03be 100644
--- a/specification/paths/ServiceRates.json
+++ b/specification/paths/ServiceRates.json
@@ -35,6 +35,7 @@
                         "required": [
                           "recipient_address",
                           "sender_address",
+                          "service",
                           "physical_properties"
                         ],
                         "properties": {
@@ -52,6 +53,11 @@
                               "country_code"
                             ]
                           },
+                          "service": {
+                            "required": [
+                              "code"
+                            ]
+                          },
                           "physical_properties": {
                             "required": [
                               "weight"
diff --git a/specification/schemas/Shipment.json b/specification/schemas/Shipment.json
index d988a82..e35d269 100644
--- a/specification/schemas/Shipment.json
+++ b/specification/schemas/Shipment.json
@@ -107,11 +107,18 @@
               "properties": {
                 "code": {
                   "type": "string",
-                  "example": "service-a01"
+                  "example": "service-a01",
+                  "description": "Shipment service code"
                 },
                 "name": {
                   "type": "string",
-                  "example": "Parcel to Parcelshop"
+                  "example": "Parcel to Parcelshop",
+                  "description": "Shipment service name"
+                },
+                "zone_to_code": {
+                  "type": "string",
+                  "example": "western-europe:netherlands",
+                  "description": "Shipment service destination <a href=\"https://api-specification.myparcel.com/#tag/Zones/paths/~1zones~1%7Bzone_id%7D/get\" target=\"_blank\">Zone</a> code"
                 }
               }
             },