diff --git a/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/component/validation/OvernightSettingAlreadyPresent.java b/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/component/validation/OvernightSettingAlreadyPresent.java
new file mode 100644
index 000000000..ccfaccba8
--- /dev/null
+++ b/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/component/validation/OvernightSettingAlreadyPresent.java
@@ -0,0 +1,34 @@
+package ru.spcex.clearing.dflt.management.component.validation;
+
+import java.util.Collection;
+import java.util.Optional;
+import ru.clearing.classes.statics.data.misc.OvernightSettings;
+import ru.spcex.clearing.dflt.management.error.DefaultManagementErrors;
+import ru.spcex.clearing.imdg.IMDGDistributedNames;
+import ru.spcex.clearing.platform.messaging.domain.cud.misc.OvernightSettingsNewRequest;
+import ru.spcex.platform.imdg.api.Imdg;
+import ru.spcex.platform.imdg.api.predicate.ImdgPredicateBuilder;
+import ru.spcex.platform.imdg.validation.ImdgValidationContext;
+import ru.spcex.platform.utils.enumeration.EnumMessage;
+import ru.spcex.platform.utils.validation.IValidationRule;
+
+public class OvernightSettingAlreadyPresent implements IValidationRule<ImdgValidationContext<OvernightSettingsNewRequest>> {
+
+    public static final OvernightSettingAlreadyPresent INSTANCE = new OvernightSettingAlreadyPresent();
+
+    @Override
+    public Optional<EnumMessage> validate(ImdgValidationContext<OvernightSettingsNewRequest> ctx) {
+        OvernightSettingsNewRequest validatedObject = ctx.getValidatedObject();
+        Imdg<OvernightSettings> osImdg = ctx.obtainMap(IMDGDistributedNames.Map_OvernightSettings, OvernightSettings.class);
+        ImdgPredicateBuilder pb = osImdg.predicateBuilder();
+
+        Collection<OvernightSettings> alreadyPresentOs = osImdg.getCollectionObjectsByPredicate(pb.and(
+            pb.equals("market", validatedObject.getMarket()),
+            pb.equals("companyId", validatedObject.getCompanyId())
+        ));
+        if (!alreadyPresentOs.isEmpty()) {
+            return of(DefaultManagementErrors.RecordAlreadyPresent);
+        }
+        return empty();
+    }
+}
diff --git a/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/config/ValidationConfig.java b/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/config/ValidationConfig.java
index 88a08e07b..fab3cf57c 100644
--- a/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/config/ValidationConfig.java
+++ b/clearing-parent/default-management/src/main/java/ru/spcex/clearing/dflt/management/config/ValidationConfig.java
@@ -16,6 +16,7 @@ import ru.clearing.platform.dictionary.OvernightTypeDictionary;
 import ru.spcex.clearing.dflt.management.component.validation.OrderCurrencyByCompanyAndTcrAlreadyPresent;
 import ru.spcex.clearing.dflt.management.component.validation.OrderCurrencyPLBLCheck;
 import ru.spcex.clearing.dflt.management.component.validation.OrderCurrencyValidationStored;
+import ru.spcex.clearing.dflt.management.component.validation.OvernightSettingAlreadyPresent;
 import ru.spcex.clearing.dflt.management.component.validation.OvernightTypeChanged;
 import ru.spcex.clearing.dflt.management.component.validation.QuantityLotGreaterThanZero;
 import ru.spcex.clearing.dflt.management.component.validation.SpotPairPresent;
@@ -99,7 +100,8 @@ public class ValidationConfig {
                     DefaultManagementErrors.DictionaryNotFound,
                     true
                 ),
-                DictionaryPresentRule.instance("overnightType", OvernightSettingsNewRequest::getOvernightType, IMDGDistributedNames.Map_OvernightTypeDictionary, OvernightTypeDictionary.class, DefaultManagementErrors.RequiredFieldIsEmpty, DefaultManagementErrors.DictionaryNotFound, true) //fixme
+                DictionaryPresentRule.instance("overnightType", OvernightSettingsNewRequest::getOvernightType, IMDGDistributedNames.Map_OvernightTypeDictionary, OvernightTypeDictionary.class, DefaultManagementErrors.RequiredFieldIsEmpty, DefaultManagementErrors.DictionaryNotFound, true), //fixme
+                OvernightSettingAlreadyPresent.INSTANCE
             );
         };
     }
@@ -114,6 +116,7 @@ public class ValidationConfig {
             ctx.addImdg(IMDGDistributedNames.Map_OvernightTypeDictionary, osTypeDictionaryImdg);
             ctx.addImdg(IMDGDistributedNames.Map_OvernightSettings, overnightSettingsImdg);
             //fixme error codes
+            //fixme в ТЗ нет проверки OvernightSettingAlreadyPresent - скорее всего ошибка
             return new ValidatorImpl<>(ctx,
                 IdPresentRule.instance("companyId",
                     OvernightSettingsUpdateRequest::getCompanyId,