diff --git a/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/jsonschema/RelyingPartyOverridesJsonSchemaValidatingControllerAdvice.groovy b/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/jsonschema/RelyingPartyOverridesJsonSchemaValidatingControllerAdvice.groovy
new file mode 100644
index 000000000..7a4e8111a
--- /dev/null
+++ b/backend/src/main/groovy/edu/internet2/tier/shibboleth/admin/ui/jsonschema/RelyingPartyOverridesJsonSchemaValidatingControllerAdvice.groovy
@@ -0,0 +1,24 @@
+package edu.internet2.tier.shibboleth.admin.ui.jsonschema
+
+import org.springframework.core.MethodParameter
+import org.springframework.http.converter.HttpMessageConverter
+import org.springframework.web.bind.annotation.ControllerAdvice
+import org.springframework.web.servlet.mvc.method.annotation.RequestBodyAdviceAdapter
+
+import java.lang.reflect.Type
+
+/**
+ * Controller advice implementation for validating relying party overrides payload coming from UI layer
+ * against pre-defined JSON schema.
+ *
+ * @author Dmitriy Kopylenko
+ */
+@ControllerAdvice
+class RelyingPartyOverridesJsonSchemaValidatingControllerAdvice extends RequestBodyAdviceAdapter {
+
+    @Override
+    boolean supports(MethodParameter methodParameter, Type targetType, Class<? extends HttpMessageConverter<?>> converterType) {
+        def cls = targetType.typeName
+        print('cx')
+    }
+}
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java
index 11eab2f06..c753d38c7 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/JsonSchemaValidationComponentsConfiguration.java
@@ -1,6 +1,7 @@
 package edu.internet2.tier.shibboleth.admin.ui.configuration;
 
 import edu.internet2.tier.shibboleth.admin.ui.jsonschema.MetadataSourcesJsonSchemaResourceLocation;
+import edu.internet2.tier.shibboleth.admin.ui.jsonschema.RelyingPartyOverridesJsonSchemaValidatingControllerAdvice;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ResourceLoader;
@@ -15,4 +16,9 @@ public class JsonSchemaValidationComponentsConfiguration {
     public MetadataSourcesJsonSchemaResourceLocation metadataSourcesJsonSchemaResourceLocation(ResourceLoader resourceLoader) {
         return new MetadataSourcesJsonSchemaResourceLocation(resourceLoader);
     }
+
+    @Bean
+    public RelyingPartyOverridesJsonSchemaValidatingControllerAdvice relyingPartyOverridesJsonSchemaValidatingControllerAdvice() {
+        return new RelyingPartyOverridesJsonSchemaValidatingControllerAdvice();
+    }
 }