diff --git a/app/models/epp/domain.rb b/app/models/epp/domain.rb
index f56947c07..e97e810ab 100644
--- a/app/models/epp/domain.rb
+++ b/app/models/epp/domain.rb
@@ -29,6 +29,12 @@ class Epp::Domain < Domain
     active_admins = admin_domain_contacts.select { |x| !x.marked_for_destruction? }
     active_techs = tech_domain_contacts.select { |x| !x.marked_for_destruction? }
 
+    # Проверка количества админ контактов
+    if require_admin_contacts? && active_admins.empty?
+      add_epp_error('2306', 'contact', nil, 'Admin contacts are required')
+      ok = false
+    end
+
     # validate registrant here as well
     ([Contact.find(registrant.id)] + active_admins + active_techs).each do |x|
       unless x.valid?
diff --git a/test/integration/repp/v1/domains/contacts_test.rb b/test/integration/repp/v1/domains/contacts_test.rb
index c473ac763..df472bad4 100644
--- a/test/integration/repp/v1/domains/contacts_test.rb
+++ b/test/integration/repp/v1/domains/contacts_test.rb
@@ -142,7 +142,7 @@ class ReppV1DomainsContactsTest < ActionDispatch::IntegrationTest
 
     @domain.reload
     assert_response :bad_request
-    assert_equal 2004, json[:code]
+    assert_equal 2306, json[:code]
 
     assert @domain.admin_contacts.any?
   end
@@ -159,7 +159,7 @@ class ReppV1DomainsContactsTest < ActionDispatch::IntegrationTest
     json = JSON.parse(response.body, symbolize_names: true)
     
     assert_response :bad_request
-    assert_equal 2004, json[:code]
+    assert_equal 2306, json[:code]
     assert @domain.admin_contacts.any?
   end
 
@@ -178,7 +178,7 @@ class ReppV1DomainsContactsTest < ActionDispatch::IntegrationTest
     json = JSON.parse(response.body, symbolize_names: true)
     
     assert_response :bad_request
-    assert_equal 2004, json[:code]
+    assert_equal 2306, json[:code]
     assert @domain.admin_contacts.any?
   end
 
@@ -217,7 +217,7 @@ class ReppV1DomainsContactsTest < ActionDispatch::IntegrationTest
     json = JSON.parse(response.body, symbolize_names: true)
     
     assert_response :bad_request
-    assert_equal 2004, json[:code]
+    assert_equal 2306, json[:code]
     assert @domain.admin_contacts.any?
   end