diff --git a/src/api/order/content-types/order/lifecycles.ts b/src/api/order/content-types/order/lifecycles.ts
index 3b97168..580920c 100644
--- a/src/api/order/content-types/order/lifecycles.ts
+++ b/src/api/order/content-types/order/lifecycles.ts
@@ -1,21 +1,23 @@
 const ERR_INVALID_TIME = 'Некорректное время';
 const ERR_OVERLAPPING_TIME = 'Время пересекается с другими заказами';
+const ERR_INACTIVE_CLIENT = 'Клиент не активен';
+const ERR_INACTIVE_MASTER = 'Мастер не активен';
 
 function timeToDate(time: string) {
   return new Date(`1970-01-01T${time}Z`);
 }
 
-function extractSlotId(slotField: any): number | null {
-  if (typeof slotField === 'number') {
-    return slotField;
+function extractId(input: any): number | null {
+  if (typeof input === 'number') {
+    return input;
   }
 
-  if (slotField?.id) {
-    return slotField.id;
+  if (input?.id) {
+    return input.id;
   }
 
-  if (slotField?.set?.[0]?.id) {
-    return slotField.set[0].id;
+  if (input?.set?.[0]?.id) {
+    return input.set[0].id;
   }
 
   return null;
@@ -24,9 +26,10 @@ function extractSlotId(slotField: any): number | null {
 export default {
   async beforeCreate(event) {
     const { data } = event.params;
-    const { time_start, time_end } = data;
+    const { time_start, time_end, client } = data;
+    const clientId = extractId(client);
 
-    const slotId = extractSlotId(data.slot);
+    const slotId = extractId(data.slot);
 
     if (!time_start || !time_end) {
       throw new Error(ERR_INVALID_TIME);
@@ -36,6 +39,34 @@ export default {
       throw new Error(ERR_INVALID_TIME);
     }
 
+    const isClientActive = await strapi.db
+      .query('api::customer.customer')
+      .findOne({
+        where: {
+          id: clientId,
+          active: true,
+        },
+      });
+
+    if (!isClientActive) {
+      throw new Error(ERR_INACTIVE_CLIENT);
+    }
+
+    const slot = await strapi.db.query('api::slot.slot').findOne({
+      where: {
+        id: slotId,
+      },
+      populate: ['master'],
+    });
+
+    const master = slot.master;
+
+    const isMasterActive = master.active && master.role === 'master';
+
+    if (!isMasterActive) {
+      throw new Error(ERR_INACTIVE_MASTER);
+    }
+
     const overlappingEntities = await strapi.db
       .query('api::order.order')
       .findMany({
@@ -46,6 +77,9 @@ export default {
           slot: {
             id: { $ne: slotId },
           },
+          state: {
+            $notIn: ['cancelled', 'completed'],
+          },
         },
         populate: ['slot'],
       });