diff --git a/app/models/proposal.rb b/app/models/proposal.rb
index 8f59585e4..9eb05f766 100644
--- a/app/models/proposal.rb
+++ b/app/models/proposal.rb
@@ -74,6 +74,10 @@ class Proposal < ActiveRecord::Base
     user.level_two_verified? || !user.voted_for?(self)
   end
 
+  def code
+    "#{Setting.value_for("proposal_code_prefix")}-#{created_at.strftime('%Y-%M')}-#{id}"
+  end
+
   protected
 
     def sanitize_description
diff --git a/config/locales/settings.en.yml b/config/locales/settings.en.yml
index 0a6ddfa0a..6ef8d4053 100644
--- a/config/locales/settings.en.yml
+++ b/config/locales/settings.en.yml
@@ -6,4 +6,5 @@ en:
     official_level_4_name: "Level 4 official positions"
     official_level_5_name: "Level 5 official positions"
     max_ratio_anon_votes_on_debates: "Max allowed percentage of anonymous votes per Debate"
-    max_votes_for_proposal_edit: "Number of votes where a Proposal is not editable anymore"
\ No newline at end of file
+    max_votes_for_proposal_edit: "Number of votes where a Proposal is not editable anymore"
+    proposal_code_prefix: "Prefix for Proposals codes"
\ No newline at end of file
diff --git a/config/locales/settings.es.yml b/config/locales/settings.es.yml
index 59193a286..96e485069 100644
--- a/config/locales/settings.es.yml
+++ b/config/locales/settings.es.yml
@@ -6,4 +6,5 @@ es:
     official_level_4_name: "Cargos públicos de nivel 4"
     official_level_5_name: "Cargos públicos de nivel 5"
     max_ratio_anon_votes_on_debates: "Porcentaje máximo de votos anónimos por Debate"
-    max_votes_for_proposal_edit: "Número de votos en que una Propuesta deja de poderse editar"
\ No newline at end of file
+    max_votes_for_proposal_edit: "Número de votos en que una Propuesta deja de poderse editar"
+    proposal_code_prefix: "Prefijo para los códigos de Propuestas"
\ No newline at end of file
diff --git a/db/dev_seeds.rb b/db/dev_seeds.rb
index 0c312f2a3..d7943fcf3 100644
--- a/db/dev_seeds.rb
+++ b/db/dev_seeds.rb
@@ -10,6 +10,7 @@ Setting.create(key: 'official_level_4_name', value: 'Concejales')
 Setting.create(key: 'official_level_5_name', value: 'Alcaldesa')
 Setting.create(key: 'max_ratio_anon_votes_on_debates', value: '50')
 Setting.create(key: 'max_votes_for_proposal_edit', value: '1000')
+Setting.create(key: 'proposal_code_prefix', value: 'MAD')
 
 puts "Creating Users"
 
diff --git a/db/seeds.rb b/db/seeds.rb
index 69baa97e0..181386c4c 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -17,3 +17,6 @@ Setting.create(key: 'max_ratio_anon_votes_on_debates', value: '50')
 
 # Max votes where a proposal is still editable
 Setting.create(key: 'max_votes_for_proposal_edit', value: '1000')
+
+# Prefix for the Proposal codes
+Setting.create(key: 'proposal_code_prefix', value: 'MAD')
diff --git a/spec/models/proposal_spec.rb b/spec/models/proposal_spec.rb
index 52896e0da..cfb9b48fa 100644
--- a/spec/models/proposal_spec.rb
+++ b/spec/models/proposal_spec.rb
@@ -46,6 +46,12 @@ describe Proposal do
     expect(proposal).to_not be_valid
   end
 
+  it "should have a code" do
+    Setting.find_by(key: "proposal_code_prefix").update(value: "TEST")
+    proposal = create(:proposal)
+    expect(proposal.code).to eq "TEST-#{proposal.created_at.strftime('%Y-%M')}-#{proposal.id}"
+  end
+
   describe "#editable?" do
     let(:proposal) { create(:proposal) }
     before(:each) {Setting.find_by(key: "max_votes_for_proposal_edit").update(value: 100)}