diff --git a/index.ts b/index.ts
index 216b47a..fa9fbb1 100644
--- a/index.ts
+++ b/index.ts
@@ -3,5 +3,5 @@ export * from './src/types/geographic-address';
 export * from './src/types/service-qualification';
 export * from './src/types/shared';
 export * from './src/types/confirm-order';
+export * from './src/types/service-ordering';
 export * as Auth from './src/types/auth';
-
diff --git a/package-lock.json b/package-lock.json
index 2b94306..4d0b233 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ozmap/ozn-sdk",
-  "version": "0.0.1-1066-4",
+  "version": "0.0.1-1058-4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ozmap/ozn-sdk",
-      "version": "0.0.1-1066-4",
+      "version": "0.0.1-1058-4",
       "license": "MIT",
       "dependencies": {
         "zod": "^3.24.2"
diff --git a/package.json b/package.json
index 40f2309..372d5cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ozmap/ozn-sdk",
-  "version": "0.0.1-1066-4",
+  "version": "0.0.1-1058-4",
   "description": "OZN SDK is a powerful tool for developers to build their own applications on top of OZN using TMForum pattern.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/types/resource-pool-management.ts b/src/types/resource-pool-management.ts
index aa1f940..6a74863 100644
--- a/src/types/resource-pool-management.ts
+++ b/src/types/resource-pool-management.ts
@@ -75,5 +75,14 @@ export const ResourcePoolManagementOutputSchema = z.object({
     reservationItem: z.array(ReservationItemSchemaOutput),
 });
 
+
+export const CancelReservationSchema = z.object({
+    relatedParty: RelatedPartySchema,
+    reservationItem: z.object({
+        reservationState: z.string(),
+    }),
+});
+
+export type CancelReservationInput = z.infer<typeof CancelReservationSchema>;
 export type ResourcePoolManagementInput = z.infer<typeof resourcePoolManagementInputSchema>;
 export type ResourcePoolManagementOutput = z.infer<typeof ResourcePoolManagementOutputSchema>;
diff --git a/src/types/service-ordering.ts b/src/types/service-ordering.ts
new file mode 100644
index 0000000..f4e1733
--- /dev/null
+++ b/src/types/service-ordering.ts
@@ -0,0 +1,142 @@
+import { z } from 'zod';
+
+const resourceSchema = z
+    .array(
+        z.object({
+            name: z.string(),
+            resource: z.object({
+                property: z.array(
+                    z.object({
+                        name: z.string(),
+                        value: z.string(),
+                    }),
+                ),
+                component: z.array(z.any()).optional(),
+                resource: z.array(z.any()).optional(),
+            }),
+        }),
+    )
+    .nullable()
+    .optional();
+
+const actionEnum = z.enum(['add', 'modify', 'delete', 'modifyPort']);
+
+export const PortReplaceDetailEnum = z.enum([
+    'crossing',
+    'closerCTO',
+    'signalIssue',
+    'blockedAccess',
+    'fullCTO',
+    'operationalError',
+    'occupied',
+    'noSignal',
+    'attenuated',
+    'others',
+]);
+
+export type PortReplaceDetailEnum = z.infer<typeof PortReplaceDetailEnum>;
+
+export const ServiceOrderInputSchema = z.object({
+    externalId: z.string(),
+    category: z.string(),
+    orderDate: z.string(),
+    requesterCallback: z.string(),
+    relatedParty: z.array(
+        z.object({
+            role: z.string(),
+            property: z.array(
+                z.object({
+                    name: z.string(),
+                    value: z.string(),
+                }),
+            ),
+        }),
+    ),
+    orderItem: z
+        .array(
+            z.object({
+                id: z.string(),
+                action: actionEnum,
+                serviceSpecification: z.array(
+                    z.object({
+                        id: z.string(),
+                    }),
+                ),
+                service: z
+                    .array(
+                        z.object({
+                            id: z.string(),
+                            category: z.string(),
+                            serviceCharacteristic: z
+                                .array(
+                                    z.object({
+                                        name: z.string(),
+                                        value: z.string(),
+                                        characteristic: z.string().nullable().optional(),
+                                    }),
+                                )
+                                .optional(),
+                            resource: resourceSchema,
+                        }),
+                    )
+                    .max(1),
+            }),
+        )
+        .max(1),
+});
+
+export const ServiceOrderOutputSchema = z.object({
+    id: z.string(),
+    externalId: z.string(),
+    description: z.string().nullable(),
+    category: z.string(),
+    note: z.string(),
+    state: z.string(),
+    orderDate: z.string(),
+    requesterCallback: z.string(),
+    relatedParty: z.array(
+        z.object({
+            role: z.string(),
+            property: z.array(
+                z.object({
+                    name: z.string(),
+                    value: z.string(),
+                }),
+            ),
+        }),
+    ),
+    orderItem: z.array(
+        z.object({
+            id: z.string(),
+            action: actionEnum,
+            requestedCompletionDate: z.string().nullable(),
+            state: z.string(),
+            statusMessage: z.string().nullable(),
+            serviceSpecification: z.object({
+                id: z.string(),
+            }),
+            orderItemRelationship: z.array(z.any()),
+            service: z.object({
+                id: z.string(),
+                category: z.string(),
+                changeReason: z.string().nullable(),
+                name: z.string().nullable(),
+                description: z.string().nullable(),
+                place: z.array(z.any()),
+                serviceCharacteristic: z.array(
+                    z.object({
+                        name: z.string(),
+                        value: z.string(),
+                    }),
+                ),
+                serviceRelationship: z.array(z.any()),
+                relatedParty: z.any().nullable(),
+                component: z.array(z.any()).optional(),
+                resource: resourceSchema,
+            }),
+        }),
+    ),
+});
+
+export type ServiceOrderInput = z.infer<typeof ServiceOrderInputSchema>;
+export type ServiceOrderOutput = z.infer<typeof ServiceOrderOutputSchema>;
\ No newline at end of file