diff --git a/app/models/medical_release.rb b/app/models/medical_release.rb
index 62f08b9..fdf83b6 100644
--- a/app/models/medical_release.rb
+++ b/app/models/medical_release.rb
@@ -32,6 +32,7 @@ class MedicalRelease < ApplicationRecord
   # These validations apply to all releases
   validates :person_first_name, :person_last_name, presence: true
   validates :person_email, email: true, allow_blank: true
+  validate :valid_answers
 
   acts_as_taggable_on :internal_tags, :tags
 
@@ -76,4 +77,15 @@ class MedicalRelease < ApplicationRecord
   def contract_file_name
     "#{project.name.parameterize}_#{contract_template.release_type}_#{(signed_at || created_at).strftime("%Y.%m.%d")}_#{release_number}_#{filename_suffix.parameterize}"
   end
+
+  private
+
+  def valid_answers
+    (1..ContractTemplate::NUMBER_OF_CUSTOM_FIELDS).each do |index|
+      if contract_template["question_#{index}_text"].present? &&
+         public_send("question_#{index}_answer").blank?
+        errors.add("question_#{index}", I18n.t('medical_releases.custom_validation_errors.question_answer_is_required'))
+      end
+    end
+  end
 end
diff --git a/app/views/public/medical_releases/new.html.erb b/app/views/public/medical_releases/new.html.erb
index 7f4dd2f..0ae2d9d 100644
--- a/app/views/public/medical_releases/new.html.erb
+++ b/app/views/public/medical_releases/new.html.erb
@@ -30,7 +30,7 @@
           <% (1..MedicalRelease::NUMBER_OF_CUSTOM_FIELDS).each do |n| %>
             <% if @contract_template.public_send("question_#{n}_text").present? %>
               <div class="form-row">
-                <%= form.text_area "question_#{n}_answer", wrapper_class: "col-sm-12", label: @contract_template.public_send("question_#{n}_text") %>
+                <%= form.text_area "question_#{n}_answer", required: true, wrapper_class: "col-sm-12", label: @contract_template.public_send("question_#{n}_text") %>
               </div>
             <% end %>
           <% end %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 7734d89..ef8b351 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -772,6 +772,8 @@ en:
     update:
       notice: The material release has been updated
   medical_releases:
+    custom_validation_errors:
+      question_answer_is_required: answer is required
     destroy:
       alert: The medical release has been deleted
     index:
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 91e271f..636e5f2 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -282,6 +282,9 @@ es:
     form:
       photos:
         dropzone_label: Tap to take a photo of Licensed Material (optional) (ES)
+  medical_releases:
+    custom_validation_errors:
+      question_answer_is_required: answer is required (ES)
   public:
     appearance_releases:
       create: