diff --git a/app/controllers/verification/email_controller.rb b/app/controllers/verification/email_controller.rb
index ebcbf68ab..2fe232576 100644
--- a/app/controllers/verification/email_controller.rb
+++ b/app/controllers/verification/email_controller.rb
@@ -4,7 +4,7 @@ class Verification::EmailController < ApplicationController
   skip_authorization_check
 
   def show
-    if Email.find(current_user, params[:email_verification_token])
+    if Verification::Email.find(current_user, params[:email_verification_token])
       current_user.update(verified_at: Time.now)
       redirect_to account_path, notice: t('verification.email.show.flash.success')
     else
@@ -13,7 +13,7 @@ class Verification::EmailController < ApplicationController
   end
 
   def create
-    @email = Email.new(@verified_user)
+    @email = Verification::Email.new(@verified_user)
     if @email.save
       current_user.reload
       Mailer.email_verification(current_user, @email.recipient, @email.encrypted_token).deliver_now
diff --git a/app/controllers/verification/letter_controller.rb b/app/controllers/verification/letter_controller.rb
index eb91ebe6f..401ae0ed2 100644
--- a/app/controllers/verification/letter_controller.rb
+++ b/app/controllers/verification/letter_controller.rb
@@ -5,11 +5,11 @@ class Verification::LetterController < ApplicationController
   skip_authorization_check
 
   def new
-    @letter = Letter.new(user: current_user)
+    @letter = Verification::Letter.new(user: current_user)
   end
 
   def create
-    @letter = Letter.new(user: current_user)
+    @letter = Verification::Letter.new(user: current_user)
     if @letter.save
       redirect_to account_path, notice: t('verification.letter.create.flash.success')
     else
diff --git a/app/controllers/verification/residence_controller.rb b/app/controllers/verification/residence_controller.rb
index 107e0a1e0..b9951502e 100644
--- a/app/controllers/verification/residence_controller.rb
+++ b/app/controllers/verification/residence_controller.rb
@@ -4,11 +4,11 @@ class Verification::ResidenceController < ApplicationController
   skip_authorization_check
 
   def new
-    @residence = Residence.new
+    @residence = Verification::Residence.new
   end
 
   def create
-    @residence = Residence.new(residence_params.merge(user: current_user))
+    @residence = Verification::Residence.new(residence_params.merge(user: current_user))
     if @residence.save
       redirect_to verified_user_path, notice: t('verification.residence.create.flash.success')
     else
diff --git a/app/controllers/verification/sms_controller.rb b/app/controllers/verification/sms_controller.rb
index e0080753e..9e18453ad 100644
--- a/app/controllers/verification/sms_controller.rb
+++ b/app/controllers/verification/sms_controller.rb
@@ -6,11 +6,11 @@ class Verification::SmsController < ApplicationController
   skip_authorization_check
 
   def new
-    @sms = Sms.new(phone: params[:phone])
+    @sms = Verification::Sms.new(phone: params[:phone])
   end
 
   def create
-    @sms = Sms.new(sms_params.merge(user: current_user))
+    @sms = Verification::Sms.new(sms_params.merge(user: current_user))
     if @sms.save
       redirect_to edit_sms_path, notice: t('verification.sms.create.flash.success')
     else
@@ -19,11 +19,11 @@ class Verification::SmsController < ApplicationController
   end
 
   def edit
-    @sms = Sms.new
+    @sms = Verification::Sms.new
   end
 
   def update
-    @sms = Sms.new(sms_params.merge(user: current_user))
+    @sms = Verification::Sms.new(sms_params.merge(user: current_user))
     if @sms.verify?
       current_user.update(confirmed_phone: current_user.unconfirmed_phone)
 
diff --git a/app/models/email.rb b/app/models/verification/email.rb
similarity index 97%
rename from app/models/email.rb
rename to app/models/verification/email.rb
index e5e15c49f..dad706b52 100644
--- a/app/models/email.rb
+++ b/app/models/verification/email.rb
@@ -1,4 +1,4 @@
-class Email
+class Verification::Email
   include ActiveModel::Model
 
   attr_accessor :verified_user, :recipient, :plain_token, :encrypted_token
diff --git a/app/models/letter.rb b/app/models/verification/letter.rb
similarity index 97%
rename from app/models/letter.rb
rename to app/models/verification/letter.rb
index 75b5a5437..566fe1fd7 100644
--- a/app/models/letter.rb
+++ b/app/models/verification/letter.rb
@@ -1,4 +1,4 @@
-class Letter
+class Verification::Letter
   include ActiveModel::Model
 
   attr_accessor :user, :address
diff --git a/app/models/residence.rb b/app/models/verification/residence.rb
similarity index 97%
rename from app/models/residence.rb
rename to app/models/verification/residence.rb
index 511f1cb0c..ec8deda2b 100644
--- a/app/models/residence.rb
+++ b/app/models/verification/residence.rb
@@ -1,4 +1,4 @@
-class Residence
+class Verification::Residence
   include ActiveModel::Model
   include ActiveModel::Dates
 
diff --git a/app/models/sms.rb b/app/models/verification/sms.rb
similarity index 97%
rename from app/models/sms.rb
rename to app/models/verification/sms.rb
index 61b06a091..f280f115e 100644
--- a/app/models/sms.rb
+++ b/app/models/verification/sms.rb
@@ -1,4 +1,4 @@
-class Sms
+class Verification::Sms
   include ActiveModel::Model
 
   attr_accessor :user, :phone, :confirmation_code
diff --git a/app/views/verification/email/_form.html.erb b/app/views/verification/email/_form.html.erb
index 94039e5e2..7314e568c 100644
--- a/app/views/verification/email/_form.html.erb
+++ b/app/views/verification/email/_form.html.erb
@@ -1,4 +1,4 @@
-<%= form_for Email.new(verified_user), url: email_path, method: :post do |f| %>
+<%= form_for Verification::Email.new(verified_user), as: "email", url: email_path, method: :post do |f| %>
   <%= hidden_field_tag :recipient, verified_user.email %>
   <%= f.submit t('verification.email.form.submit_button') %>
 <% end %>
\ No newline at end of file
diff --git a/app/views/verification/letter/new.html.erb b/app/views/verification/letter/new.html.erb
index ab1d3070e..31a82be63 100644
--- a/app/views/verification/letter/new.html.erb
+++ b/app/views/verification/letter/new.html.erb
@@ -7,7 +7,7 @@
       <%= t('verification.letter.new.explanation') %>
     </div>
 
-    <%= form_for @letter, url: letter_path do |f| %>
+    <%= form_for @letter, as: "letter", url: letter_path do |f| %>
       <%= render 'shared/errors', resource: @letter %>
       <%= f.submit t('verification.letter.new.submit_button') %>
     <% end %>
diff --git a/app/views/verification/residence/new.html.erb b/app/views/verification/residence/new.html.erb
index 83e1b6f73..c61df2f27 100644
--- a/app/views/verification/residence/new.html.erb
+++ b/app/views/verification/residence/new.html.erb
@@ -3,7 +3,7 @@
 
     <h1 class="inline-block"><%= t('verification.residence.new.title') %></h1>
 
-    <%= form_for @residence, url: residence_path do |f| %>
+    <%= form_for @residence, as: "residence", url: residence_path do |f| %>
       <%= render 'errors' %>
 
       <%= f.select :document_type, document_types, prompt: "" %>
diff --git a/app/views/verification/sms/_form.html.erb b/app/views/verification/sms/_form.html.erb
index efa0f74b8..9aaaa1495 100644
--- a/app/views/verification/sms/_form.html.erb
+++ b/app/views/verification/sms/_form.html.erb
@@ -1,4 +1,4 @@
-<%= form_for sms, url: sms_path do |f| %>
+<%= form_for sms, as: "sms", url: sms_path do |f| %>
   <%= render 'shared/errors', resource: sms %>
   <%= f.hidden_field :phone %>
   <%= f.submit t('verification.sms.form.submit_button') %>
diff --git a/app/views/verification/sms/edit.html.erb b/app/views/verification/sms/edit.html.erb
index 89fbef5ff..7432af7eb 100644
--- a/app/views/verification/sms/edit.html.erb
+++ b/app/views/verification/sms/edit.html.erb
@@ -3,7 +3,7 @@
 
     <h1 class="inline-block"><%= t('verification.sms.edit.title') %></h1>
 
-    <%= form_for @sms, url: sms_path, method: :put do |f| %>
+    <%= form_for @sms, as: "sms", url: sms_path, method: :put do |f| %>
       <p><%= @error %></p>
       <%= f.text_field :confirmation_code %>
 
diff --git a/app/views/verification/sms/new.html.erb b/app/views/verification/sms/new.html.erb
index eec63f6c6..8050c0f90 100644
--- a/app/views/verification/sms/new.html.erb
+++ b/app/views/verification/sms/new.html.erb
@@ -3,7 +3,7 @@
 
     <h1 class="inline-block"><%= t('verification.sms.new.title') %></h1>
 
-    <%= form_for @sms, url: sms_path do |f| %>
+    <%= form_for @sms, as: "sms", url: sms_path do |f| %>
       <%= render 'shared/errors', resource: @sms %>
 
       <%= f.text_field :phone %>
diff --git a/app/views/verification/verified_user/show.html.erb b/app/views/verification/verified_user/show.html.erb
index bb61e8546..53f871c76 100644
--- a/app/views/verification/verified_user/show.html.erb
+++ b/app/views/verification/verified_user/show.html.erb
@@ -32,7 +32,7 @@
                 <%= verified_user.phone %>
               </span>
               <span style="float:left;padding-left:30px">
-                <%= render '/verification/sms/form', sms: Sms.new(phone: verified_user.phone) %>
+                <%= render '/verification/sms/form', sms: Verification::Sms.new(phone: verified_user.phone) %>
               </span>
             </li>
             <br/><br/><br/>
diff --git a/config/i18n-tasks.yml b/config/i18n-tasks.yml
index c1991cd64..626a4b8cb 100644
--- a/config/i18n-tasks.yml
+++ b/config/i18n-tasks.yml
@@ -97,6 +97,7 @@ ignore_missing:
 ## Consider these keys used:
 ignore_unused:
   - 'activerecord.*'
+  - 'activemodel.*'
   - 'admin.organizations.index.filter.*'
   - 'unauthorized.*'
   - 'simple_captcha.*'
diff --git a/config/locales/activemodel.en.yml b/config/locales/activemodel.en.yml
index edf91fdc4..ad43d1516 100644
--- a/config/locales/activemodel.en.yml
+++ b/config/locales/activemodel.en.yml
@@ -1,16 +1,18 @@
 en:
   activemodel:
     models:
-      residence: Residence
-      sms: SMS
+      verification:
+        residence: Residence
+        sms: SMS
     attributes:
-      residence:
-        document_type: Document type
-        document_number: Document number(including letter)
-        date_of_birth: Date of birth
-        postal_code: Postal code
-      sms:
-        phone: 'Phone'
-        confirmation_code: 'Confirmation code'
-      email:
-        recipient: 'Email'
\ No newline at end of file
+      verification:
+        residence:
+          document_type: Document type
+          document_number: Document number(including letter)
+          date_of_birth: Date of birth
+          postal_code: Postal code
+        sms:
+          phone: 'Phone'
+          confirmation_code: 'Confirmation code'
+        email:
+          recipient: 'Email'
\ No newline at end of file
diff --git a/config/locales/activemodel.es.yml b/config/locales/activemodel.es.yml
index f72fdd385..9bda561cf 100644
--- a/config/locales/activemodel.es.yml
+++ b/config/locales/activemodel.es.yml
@@ -1,16 +1,18 @@
 es:
   activemodel:
     models:
-      residence: Residencia
-      sms: SMS
+      verification:
+        residence: Residencia
+        sms: SMS
     attributes:
-      residence:
-        document_type: Tipo documento
-        document_number: Numero de documento (incluida letra)
-        date_of_birth: Fecha de nacimiento
-        postal_code: 'Código postal'
-      sms:
-        phone: 'Teléfono'
-        confirmation_code: 'Código de confirmación'
-      email:
-        recipient: 'Email'
\ No newline at end of file
+      verification:
+        residence:
+          document_type: Tipo documento
+          document_number: Numero de documento (incluida letra)
+          date_of_birth: Fecha de nacimiento
+          postal_code: 'Código postal'
+        sms:
+          phone: 'Teléfono'
+          confirmation_code: 'Código de confirmación'
+        email:
+          recipient: 'Email'
\ No newline at end of file
diff --git a/config/locales/activerecord.en.yml b/config/locales/activerecord.en.yml
index e78d86512..94b1fa0c9 100644
--- a/config/locales/activerecord.en.yml
+++ b/config/locales/activerecord.en.yml
@@ -7,7 +7,6 @@ en:
       user: User
       vote: Vote
       organization: Organization
-      residence: Residencia
     attributes:
       comment:
         body: Comment
diff --git a/spec/factories.rb b/spec/factories.rb
index a9bff4ac1..336ef8452 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -20,18 +20,18 @@ FactoryGirl.define do
     uid "MyString"
   end
 
-  factory :residence do
+  factory :verification_residence, class: Verification::Residence do
     document_number  '12345678Z'
     document_type    1
     date_of_birth    Date.new(1980, 12, 31)
     postal_code      "28013"
   end
 
-  factory :sms do
+  factory :verification_sms, class: Verification::Sms do
     phone "699999999"
   end
 
-  factory :letter do
+  factory :verification_letter, class: Verification::Letter do
     user
     address
   end
diff --git a/spec/models/letter_spec.rb b/spec/models/letter_spec.rb
index e5e871d7c..13175320e 100644
--- a/spec/models/letter_spec.rb
+++ b/spec/models/letter_spec.rb
@@ -1,12 +1,12 @@
 require 'rails_helper'
 
-describe 'Letter' do
+describe 'Verification::Letter' do
 
   let(:user)   { create(:user)  }
 
   describe "validations" do
 
-    let(:letter) { build(:letter) }
+    let(:letter) { build(:verification_letter) }
 
     it "should be valid" do
       expect(letter).to be_valid
@@ -27,7 +27,7 @@ describe 'Letter' do
   describe "save" do
 
     before(:each) do
-      letter = Letter.new(user: user)
+      letter = Verification::Letter.new(user: user)
       letter.save
       user.reload
     end
diff --git a/spec/models/residence_spec.rb b/spec/models/residence_spec.rb
index 66eb34951..189132c1f 100644
--- a/spec/models/residence_spec.rb
+++ b/spec/models/residence_spec.rb
@@ -1,8 +1,8 @@
 require 'rails_helper'
 
-describe Residence do
+describe Verification::Residence do
 
-  let(:residence) { build(:residence) }
+  let(:residence) { build(:verification_residence) }
 
   describe "validations" do
 
@@ -12,12 +12,12 @@ describe Residence do
 
     describe "dates" do
       it "should be valid with a valid date of birth" do
-        residence = Residence.new({"date_of_birth(3i)"=>"1", "date_of_birth(2i)"=>"1", "date_of_birth(1i)"=>"1980"})
+        residence = Verification::Residence.new({"date_of_birth(3i)"=>"1", "date_of_birth(2i)"=>"1", "date_of_birth(1i)"=>"1980"})
         expect(residence.errors[:date_of_birth].size).to eq(0)
       end
 
       it "should not be valid without a date of birth" do
-        residence = Residence.new({"date_of_birth(3i)"=>"", "date_of_birth(2i)"=>"", "date_of_birth(1i)"=>""})
+        residence = Verification::Residence.new({"date_of_birth(3i)"=>"", "date_of_birth(2i)"=>"", "date_of_birth(1i)"=>""})
         residence.valid?
         expect(residence.errors[:date_of_birth]).to include("can't be blank")
       end
@@ -28,7 +28,7 @@ describe Residence do
       residence.user = user
       residence.save
 
-      residence2 = build(:residence)
+      residence2 = build(:verification_residence)
 
       residence.valid?
       expect(residence.errors[:document_number]).to include("Already in use")
diff --git a/spec/models/sms_spec.rb b/spec/models/sms_spec.rb
index bdcd2d739..f52ff3c6e 100644
--- a/spec/models/sms_spec.rb
+++ b/spec/models/sms_spec.rb
@@ -1,14 +1,14 @@
 require 'rails_helper'
 
-describe Sms do
+describe Verification::Sms do
   it "should be valid" do
-    sms = build(:sms)
+    sms = build(:verification_sms)
     expect(sms).to be_valid
   end
 
   it "should validate uniqness of phone" do
     user = create(:user, confirmed_phone: "699999999")
-    sms = Sms.new(phone: "699999999")
+    sms = Verification::Sms.new(phone: "699999999")
     expect(sms).to_not be_valid
   end