diff --git a/app/models/admin_domain_contact.rb b/app/models/admin_domain_contact.rb
index 7e4b3b28a..7de19a975 100644
--- a/app/models/admin_domain_contact.rb
+++ b/app/models/admin_domain_contact.rb
@@ -1,6 +1,6 @@
 class AdminDomainContact < DomainContact
   include AgeValidation
-  
+
   validate :validate_contact_age
 
   # rubocop:disable Metrics/AbcSize
@@ -33,8 +33,6 @@ class AdminDomainContact < DomainContact
   def validate_contact_age
     return unless contact&.underage?
 
-    errors.add(:contact, I18n.t(
-      'activerecord.errors.models.admin_domain_contact.contact_too_young'
-    ))
+    errors.add(:base, :contact_too_young)
   end
 end
diff --git a/app/models/concerns/age_validation.rb b/app/models/concerns/age_validation.rb
index 42e3d7ae7..8bcd8a741 100644
--- a/app/models/concerns/age_validation.rb
+++ b/app/models/concerns/age_validation.rb
@@ -17,13 +17,17 @@ module AgeValidation
   def underage_by_birthday?
     birth_date = Date.parse(ident)
     calculate_age(birth_date) < 18
+  rescue ArgumentError
+    true
   end
 
   def underage_by_estonian_id?
     return false unless estonian_id?
-    
+
     birth_date = parse_estonian_id_birth_date(ident)
     calculate_age(birth_date) < 18
+  rescue ArgumentError
+    true
   end
 
   def estonian_id?
@@ -50,4 +54,4 @@ module AgeValidation
                  
     Date.parse("#{birth_year}-#{month}-#{day}")
   end
-end 
\ No newline at end of file
+end
diff --git a/app/models/domain_contact.rb b/app/models/domain_contact.rb
index 4a791493f..ac90d7eef 100644
--- a/app/models/domain_contact.rb
+++ b/app/models/domain_contact.rb
@@ -3,11 +3,10 @@ class DomainContact < ApplicationRecord
   # STI: admin_domain_contact
   include Versions # version/domain_contact_version.rb
   include EppErrors
+
   belongs_to :contact
   belongs_to :domain
 
-  validates :contact, presence: true
-
   after_destroy :update_contact
   attr_accessor :value_typeahead
   attr_writer :contact_code
diff --git a/test/models/domain_contact_test.rb b/test/models/domain_contact_test.rb
index c41a4243c..b0da9c278 100644
--- a/test/models/domain_contact_test.rb
+++ b/test/models/domain_contact_test.rb
@@ -20,15 +20,14 @@ class DomainContactTest < ActiveSupport::TestCase
       ident_type: 'birthday',
       ident: (Time.zone.now - 16.years).strftime('%Y-%m-%d')
     )
-    
+
     domain_contact = AdminDomainContact.new(
       domain: domains(:shop),
       contact: admin_contact
     )
-    
+
     assert_not domain_contact.valid?
-    assert_includes domain_contact.errors.full_messages, 
-                    'Contact Administrative contact must be at least 18 years old'
+    assert_includes domain_contact.errors.full_messages, 'Administrative contact must be at least 18 years old'
   end
 
   def test_validates_admin_contact_age_with_estonian_id
@@ -38,15 +37,14 @@ class DomainContactTest < ActiveSupport::TestCase
       ident: '61203150222',
       ident_country_code: 'EE'
     )
-    
+
     domain_contact = AdminDomainContact.new(
       domain: domains(:shop),
       contact: admin_contact
     )
-    
+
     assert_not domain_contact.valid?
-    assert_includes domain_contact.errors.full_messages, 
-                    'Contact Administrative contact must be at least 18 years old'
+    assert_includes domain_contact.errors.full_messages, 'Administrative contact must be at least 18 years old'
   end
 
   def test_allows_adult_admin_contact_with_birthday
@@ -55,12 +53,12 @@ class DomainContactTest < ActiveSupport::TestCase
       ident_type: 'birthday',
       ident: (Time.zone.now - 20.years).strftime('%Y-%m-%d')
     )
-    
+
     domain_contact = AdminDomainContact.new(
       domain: domains(:shop),
       contact: admin_contact
     )
-    
+
     assert domain_contact.valid?
   end
 
@@ -71,13 +69,12 @@ class DomainContactTest < ActiveSupport::TestCase
       ident: '38903111310',
       ident_country_code: 'EE'
     )
-    
+
     domain_contact = AdminDomainContact.new(
       domain: domains(:shop),
       contact: admin_contact
     )
-    
+
     assert domain_contact.valid?
   end
-
-end
\ No newline at end of file
+end