diff --git a/app/models/spending_proposal.rb b/app/models/spending_proposal.rb
index f11dc71c3..c49b745e1 100644
--- a/app/models/spending_proposal.rb
+++ b/app/models/spending_proposal.rb
@@ -36,6 +36,8 @@ class SpendingProposal < ActiveRecord::Base
 
   scope :for_render,             -> { includes(:geozone) }
 
+  before_validation :set_responsible_name
+
   def description
     super.try :html_safe
   end
@@ -120,4 +122,8 @@ class SpendingProposal < ActiveRecord::Base
     end
   end
 
+  def set_responsible_name
+    self.responsible_name = author.try(:document_number)
+  end
+
 end
diff --git a/db/migrate/20160406163649_add_responsible_name_to_spending_proposals.rb b/db/migrate/20160406163649_add_responsible_name_to_spending_proposals.rb
new file mode 100644
index 000000000..5749400bb
--- /dev/null
+++ b/db/migrate/20160406163649_add_responsible_name_to_spending_proposals.rb
@@ -0,0 +1,5 @@
+class AddResponsibleNameToSpendingProposals < ActiveRecord::Migration
+  def change
+    add_column :spending_proposals, :responsible_name, :string, limit: 60
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a031c51f5..4183e0246 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160329160106) do
+ActiveRecord::Schema.define(version: 20160406163649) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -314,6 +314,7 @@ ActiveRecord::Schema.define(version: 20160329160106) do
     t.datetime "unfeasible_email_sent_at"
     t.integer  "cached_votes_up",      default: 0
     t.tsvector "tsv"
+    t.string   "responsible_name",            limit: 60
   end
 
   add_index "spending_proposals", ["author_id"], name: "index_spending_proposals_on_author_id", using: :btree
diff --git a/lib/tasks/spending_proposals.rake b/lib/tasks/spending_proposals.rake
index 42cde5424..365338d96 100644
--- a/lib/tasks/spending_proposals.rake
+++ b/lib/tasks/spending_proposals.rake
@@ -1,20 +1,21 @@
 namespace :spending_proposals do
   desc "Sends an email to the authors of unfeasible spending proposals"
   task send_unfeasible_emails: :environment do
-    SpendingProposal.find_each do |spending_propsal|
-      if spending_propsal.unfeasible_email_pending?
-        spending_propsal.send_unfeasible_email
-        puts "email sent for proposal #{spending_propsal.title}"
+    SpendingProposal.find_each do |spending_proposal|
+      if spending_proposal.unfeasible_email_pending?
+        spending_proposal.send_unfeasible_email
+        puts "email sent for proposal #{spending_proposal.title}"
       else
-        puts "this proposal is feasible: #{spending_propsal.title}"
+        puts "this proposal is feasible: #{spending_proposal.title}"
       end
     end
   end
 
-  desc "Updates all spending proposals to recalculate their tsv column"
+  desc "Updates all spending proposals to recalculate their tsv and responsible_name columns"
   task touch: :environment do
-    SpendingProposal.find_in_batches do |spending_propsal|
-      spending_propsal.each(&:save)
+    SpendingProposal.find_in_batches do |spending_proposal|
+      spending_proposal.each(&:save)
     end
   end
-end
\ No newline at end of file
+
+end
diff --git a/spec/models/spending_proposal_spec.rb b/spec/models/spending_proposal_spec.rb
index df5b5bdd6..3d32e383b 100644
--- a/spec/models/spending_proposal_spec.rb
+++ b/spec/models/spending_proposal_spec.rb
@@ -261,4 +261,12 @@ describe SpendingProposal do
     end
   end
 
+  describe "responsible_name" do
+    it "gets updated with the document_number" do
+      u = create(:user, document_number: "123456")
+      sp = create(:spending_proposal, author: u)
+      expect(sp.responsible_name).to eq("123456")
+    end
+  end
+
 end