Admin contact cannot be juridical

app/models/epp/epp_domain.rb

@@ -124,12 +124,17 @@ class Epp::EppDomain < Domain
     contacts.each do |k, v|
       v.each do |x|
         contact = Contact.find_by(code: x[:contact])
-        if contact
+        unless contact
-          attach_contact(k, contact)
-        else
-          # Detailed error message with value to display in EPP response
           add_epp_error('2303', 'contact', x[:contact], [:domain_contacts, :not_found])
+          next
         end
+
+        if k == :admin && contact.juridical?
+          add_epp_error('2306', 'contact', x[:contact], [:domain_contacts, :admin_contact_can_be_only_citizen])
+          next
+        end
+
+        attach_contact(k, contact)
       end
     end
 

config/locales/en.yml

@@ -88,6 +88,7 @@ en:
             domain_contacts:
               invalid: 'Contacts are invalid'
               not_found: 'Contact was not found'
+              admin_contact_can_be_only_citizen: 'Admin contact can be only citizen'
             admin_contacts:
               out_of_range: 'Admin contacts count must be between %{min}-%{max}'
               less_than_or_equal_to: 'Admin contacts count must be less than or equal to %{count}'

spec/epp/domain_spec.rb

@@ -888,6 +888,18 @@ describe 'EPP Domain', epp: true do
         expect(Domain.count).to eq 0
         expect(DomainContact.count).to eq 0
       end
+
+      it 'cannot assign juridical person as admin contact' do
+        xml = domain_create_xml({
+          _anonymus: [
+            { contact: { value: 'jd1234', attrs: { type: 'admin' } } }
+          ]
+        })
+
+        response = epp_request(xml, :xml)
+        expect(response[:result_code]).to eq('2306')
+        expect(response[:msg]).to eq('Admin contact can be only citizen')
+      end
     end
 
     context 'with valid domain' do