diff --git a/app/controllers/proposals_controller.rb b/app/controllers/proposals_controller.rb
index fc596c5f0..d2b876f06 100644
--- a/app/controllers/proposals_controller.rb
+++ b/app/controllers/proposals_controller.rb
@@ -62,7 +62,7 @@ class ProposalsController < ApplicationController
   end
 
   def retire
-    if valid_retired_params? && @proposal.update(retired_params.merge(retired_at: Time.current))
+    if @proposal.update(retired_params.merge(retired_at: Time.current))
       redirect_to proposal_path(@proposal), notice: t("proposals.notice.retired")
     else
       render action: :retire_form
@@ -107,13 +107,8 @@ class ProposalsController < ApplicationController
     end
 
     def retired_params
-      params.require(:proposal).permit(:retired_reason, :retired_explanation)
-    end
-
-    def valid_retired_params?
-      @proposal.errors.add(:retired_reason, I18n.t("errors.messages.blank")) if params[:proposal][:retired_reason].blank?
-      @proposal.errors.add(:retired_explanation, I18n.t("errors.messages.blank")) if params[:proposal][:retired_explanation].blank?
-      @proposal.errors.empty?
+      attributes = [:retired_reason]
+      params.require(:proposal).permit(attributes, translation_params(Proposal))
     end
 
     def resource_model
diff --git a/app/models/proposal.rb b/app/models/proposal.rb
index e0f707918..4961b237d 100644
--- a/app/models/proposal.rb
+++ b/app/models/proposal.rb
@@ -28,6 +28,13 @@ class Proposal < ApplicationRecord
 
   RETIRE_OPTIONS = %w[duplicated started unfeasible done other]
 
+  translates :title, touch: true
+  translates :description, touch: true
+  translates :summary, touch: true
+  translates :retired_explanation, touch: true
+  include Globalizable
+  translation_class_delegate :retired_at
+
   belongs_to :author, -> { with_hidden }, class_name: "User", foreign_key: "author_id"
   belongs_to :geozone
   has_many :comments, as: :commentable, dependent: :destroy
@@ -39,18 +46,16 @@ class Proposal < ApplicationRecord
   extend DownloadSettings::ProposalCsv
   delegate :name, :email, to: :author, prefix: true
 
-  extend DownloadSettings::ProposalCsv
-  delegate :name, :email, to: :author, prefix: true
+  validates_translation :title, presence: true, length: { in: 4..Proposal.title_max_length }
+  validates_translation :description, length: { maximum: Proposal.description_max_length }
+  validates_translation :summary, presence: true
+  validates_translation :retired_explanation, presence: true, unless: -> { retired_at.blank? }
 
-  validates :title, presence: true
-  validates :summary, presence: true
   validates :author, presence: true
   validates :responsible_name, presence: true, unless: :skip_user_verification?
 
-  validates :title, length: { in: 4..Proposal.title_max_length }
-  validates :description, length: { maximum: Proposal.description_max_length }
   validates :responsible_name, length: { in: 6..Proposal.responsible_name_max_length }, unless: :skip_user_verification?
-  validates :retired_reason, inclusion: { in: RETIRE_OPTIONS, allow_nil: true }
+  validates :retired_reason, presence: true, inclusion: { in: RETIRE_OPTIONS }, unless: -> { retired_at.blank? }
 
   validates :terms_of_service, acceptance: { allow_nil: false }, on: :create
 
@@ -264,5 +269,4 @@ class Proposal < ApplicationRecord
         self.responsible_name = author.document_number
       end
     end
-
 end
diff --git a/app/views/proposals/retire_form.html.erb b/app/views/proposals/retire_form.html.erb
index 501a2ce22..704d2db3c 100644
--- a/app/views/proposals/retire_form.html.erb
+++ b/app/views/proposals/retire_form.html.erb
@@ -10,7 +10,9 @@
      <%= t("proposals.retire_form.warning") %>
     </div>
 
-    <%= form_for(@proposal, url: retire_proposal_path(@proposal)) do |f| %>
+    <%= render "admin/shared/globalize_locales", resource: @proposal %>
+
+    <%= translatable_form_for(@proposal, url: retire_proposal_path(@proposal)) do |f| %>
       <%= render "shared/errors", resource: @proposal %>
       <div class="row">
         <div class="small-12 medium-6 large-4 column">
@@ -20,11 +22,14 @@
       </div>
 
       <div class="row">
-        <div class="small-12 medium-9 column">
-          <%= f.label :retired_explanation, t("proposals.retire_form.retired_explanation_label") %>
-          <%= f.text_area :retired_explanation, rows: 4, maxlength: 500, label: false,
-                          placeholder: t("proposals.retire_form.retired_explanation_placeholder") %>
-        </div>
+        <%= f.translatable_fields do |translations_form| %>
+          <div class="small-12 medium-9 column">
+            <%= translations_form.text_area :retired_explanation,
+                  rows: 4, maxlength: 500,
+                  label:  t("proposals.retire_form.retired_explanation_label"),
+                  placeholder: t("proposals.retire_form.retired_explanation_placeholder") %>
+          </div>
+        <% end %>
       </div>
 
       <div class="row">
diff --git a/db/migrate/20181129115006_add_proposals_translations.rb b/db/migrate/20181129115006_add_proposals_translations.rb
new file mode 100644
index 000000000..8f05fbffd
--- /dev/null
+++ b/db/migrate/20181129115006_add_proposals_translations.rb
@@ -0,0 +1,17 @@
+class AddProposalsTranslations < ActiveRecord::Migration[4.2]
+  def self.up
+    Proposal.create_translation_table!(
+      {
+        title:               :string,
+        description:         :text,
+        summary:             :text,
+        retired_explanation: :text
+      },
+      { migrate_data: true }
+    )
+  end
+
+  def self.down
+    Proposal.drop_translation_table!
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 36bfc4c7c..c7c0e84d1 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1285,6 +1285,19 @@ ActiveRecord::Schema.define(version: 20190607160900) do
     t.datetime "confirmed_hide_at"
   end
 
+  create_table "proposal_translations", force: :cascade do |t|
+    t.integer  "proposal_id",         null: false
+    t.string   "locale",              null: false
+    t.datetime "created_at",          null: false
+    t.datetime "updated_at",          null: false
+    t.string   "title"
+    t.text     "description"
+    t.text     "summary"
+    t.text     "retired_explanation"
+    t.index ["locale"], name: "index_proposal_translations_on_locale", using: :btree
+    t.index ["proposal_id"], name: "index_proposal_translations_on_proposal_id", using: :btree
+  end
+
   create_table "proposals", force: :cascade do |t|
     t.string   "title",               limit: 80
     t.text     "description"
diff --git a/spec/factories/proposals.rb b/spec/factories/proposals.rb
index 92a925627..08598e977 100644
--- a/spec/factories/proposals.rb
+++ b/spec/factories/proposals.rb
@@ -62,6 +62,8 @@ FactoryBot.define do
 
     trait :retired do
       retired_at { Time.current }
+      retired_reason "unfeasible"
+      retired_explanation "Retired explanation"
     end
 
     trait :published do
diff --git a/spec/features/proposals_spec.rb b/spec/features/proposals_spec.rb
index 5c095d56a..f477ad7ba 100644
--- a/spec/features/proposals_spec.rb
+++ b/spec/features/proposals_spec.rb
@@ -505,7 +505,7 @@ describe "Proposals" do
       expect(page).to have_current_path(retire_form_proposal_path(proposal))
 
       select "Duplicated", from: "proposal_retired_reason"
-      fill_in "proposal_retired_explanation", with: "There are three other better proposals with the same subject"
+      fill_in "Explanation", with: "There are three other better proposals with the same subject"
       click_button "Retire proposal"
 
       expect(page).to have_content "Proposal retired"
@@ -518,7 +518,7 @@ describe "Proposals" do
       expect(page).to have_content "There are three other better proposals with the same subject"
     end
 
-    scenario "Fields are mandatory" do
+    scenario "Fields are mandatory", :js do
       proposal = create(:proposal)
       login_as(proposal.author)
 
@@ -534,7 +534,7 @@ describe "Proposals" do
       Setting["feature.featured_proposals"] = true
       create_featured_proposals
       not_retired = create(:proposal)
-      retired = create(:proposal, retired_at: Time.current)
+      retired = create(:proposal, :retired)
 
       visit proposals_path
 
@@ -548,7 +548,7 @@ describe "Proposals" do
     scenario "Index has a link to retired proposals list" do
       create_featured_proposals
       not_retired = create(:proposal)
-      retired = create(:proposal, retired_at: Time.current)
+      retired = create(:proposal, :retired)
 
       visit proposals_path
 
@@ -568,8 +568,8 @@ describe "Proposals" do
     end
 
     scenario "Retired proposals index has links to filter by retired_reason" do
-      unfeasible = create(:proposal, retired_at: Time.current, retired_reason: "unfeasible")
-      duplicated = create(:proposal, retired_at: Time.current, retired_reason: "duplicated")
+      unfeasible = create(:proposal, :retired, retired_reason: "unfeasible")
+      duplicated = create(:proposal, :retired, retired_reason: "duplicated")
 
       visit proposals_path(retired: "all")
 
diff --git a/spec/models/proposal_notification_spec.rb b/spec/models/proposal_notification_spec.rb
index 40670b9d9..24c85c6fd 100644
--- a/spec/models/proposal_notification_spec.rb
+++ b/spec/models/proposal_notification_spec.rb
@@ -146,7 +146,9 @@ describe ProposalNotification do
       it "returns false if the resource is retired" do
         notification = create(:notification, notifiable: notifiable)
 
-        notifiable.proposal.update(retired_at: Time.current)
+        notifiable.proposal.update(retired_at: Time.current,
+          retired_explanation: "Unfeasible reason explanation",
+          retired_reason: "unfeasible")
         expect(notification.check_availability(proposal)).to be(false)
       end
 
diff --git a/spec/models/proposal_spec.rb b/spec/models/proposal_spec.rb
index 7d5d8067c..c589bfad5 100644
--- a/spec/models/proposal_spec.rb
+++ b/spec/models/proposal_spec.rb
@@ -8,6 +8,7 @@ describe Proposal do
     it_behaves_like "has_public_author"
     it_behaves_like "notifiable"
     it_behaves_like "map validations"
+    it_behaves_like "globalizable", :proposal
   end
 
   it "is valid" do
@@ -44,10 +45,36 @@ describe Proposal do
   describe "#description" do
     it "is sanitized" do
       proposal.description = "<script>alert('danger');</script>"
+
       proposal.valid?
+
       expect(proposal.description).to eq("alert('danger');")
     end
 
+    it "is sanitized using globalize accessors" do
+      proposal.description_en = "<script>alert('danger');</script>"
+
+      proposal.valid?
+
+      expect(proposal.description_en).to eq("alert('danger');")
+    end
+
+    it "is html_safe" do
+      proposal.description = "<script>alert('danger');</script>"
+
+      proposal.valid?
+
+      expect(proposal.description).to be_html_safe
+    end
+
+    it "is html_safe using globalize accessors" do
+      proposal.description_en = "<script>alert('danger');</script>"
+
+      proposal.valid?
+
+      expect(proposal.description_en).to be_html_safe
+    end
+
     it "is not valid when very long" do
       proposal.description = "a" * 6001
       expect(proposal).not_to be_valid
@@ -143,6 +170,46 @@ describe Proposal do
     Setting["proposal_code_prefix"] = "MAD"
   end
 
+  describe "#retired_explanation" do
+    it "is valid when retired timestamp is present and retired explanation is defined" do
+      proposal.retired_at = Time.current
+      proposal.retired_explanation = "Duplicated of ..."
+      proposal.retired_reason = "duplicated"
+      expect(proposal).to be_valid
+    end
+
+    it "is not valid when retired_at is present and retired explanation is empty" do
+      proposal.retired_at = Time.current
+      proposal.retired_explanation = nil
+      proposal.retired_reason = "duplicated"
+      expect(proposal).not_to be_valid
+    end
+  end
+
+  describe "#retired_reason" do
+    it "is valid when retired timestamp is present and retired reason is defined" do
+      proposal.retired_at = Time.current
+      proposal.retired_explanation = "Duplicated of ..."
+      proposal.retired_reason = "duplicated"
+      expect(proposal).to be_valid
+    end
+
+    it "is not valid when retired timestamp is present but defined retired reason
+        is not included in retired reasons" do
+      proposal.retired_at = Time.current
+      proposal.retired_explanation = "Duplicated of ..."
+      proposal.retired_reason = "duplicate"
+      expect(proposal).not_to be_valid
+    end
+
+    it "is not valid when retired_at is present and retired reason is empty" do
+      proposal.retired_at = Time.current
+      proposal.retired_explanation = "Duplicated of ..."
+      proposal.retired_reason = nil
+      expect(proposal).not_to be_valid
+    end
+  end
+
   describe "#editable?" do
     let(:proposal) { create(:proposal) }
 
@@ -820,7 +887,7 @@ describe Proposal do
 
   describe "retired" do
     let!(:proposal1) { create(:proposal) }
-    let!(:proposal2) { create(:proposal, retired_at: Time.current) }
+    let!(:proposal2) { create(:proposal, :retired) }
 
     it "retired? is true" do
       expect(proposal1.retired?).to eq false
diff --git a/spec/shared/models/notifiable.rb b/spec/shared/models/notifiable.rb
index 8d69e1c00..263d89117 100644
--- a/spec/shared/models/notifiable.rb
+++ b/spec/shared/models/notifiable.rb
@@ -78,7 +78,8 @@ shared_examples "notifiable" do
       notification = create(:notification, notifiable: notifiable)
 
       if notifiable.respond_to?(:retired_at)
-        notifiable.update(retired_at: Time.current)
+        notifiable.update(retired_at: Time.current, retired_reason: "unfeasible",
+          retired_explanation: "Unfeasibility explanation ...")
         expect(notification.check_availability(notifiable)).to be(false)
       end
     end