diff --git a/app/models/decidim/stratified_sortitions/stratified_sortition.rb b/app/models/decidim/stratified_sortitions/stratified_sortition.rb
index 7885792..bbc0e26 100644
--- a/app/models/decidim/stratified_sortitions/stratified_sortition.rb
+++ b/app/models/decidim/stratified_sortitions/stratified_sortition.rb
@@ -51,6 +51,10 @@ def strata_and_substrata_configured?
       def can_execute?
         strata_and_substrata_configured? && !sample_participants.empty?
       end
+
+      def executed?
+        status == "executed"
+      end
     end
   end
 end
diff --git a/app/packs/stylesheets/decidim/stratified_sortitions/admin/stratified_sortitions.scss b/app/packs/stylesheets/decidim/stratified_sortitions/admin/stratified_sortitions.scss
index dc88511..4d406eb 100644
--- a/app/packs/stylesheets/decidim/stratified_sortitions/admin/stratified_sortitions.scss
+++ b/app/packs/stylesheets/decidim/stratified_sortitions/admin/stratified_sortitions.scss
@@ -191,4 +191,16 @@ input[readonly] {
 
 .upload-census-btn {
   margin: 0 !important;
+}
+
+.upload-disabled-wrapper {
+  cursor: not-allowed;
+  width: auto;
+
+  .upload-census-btn {
+    pointer-events: none;
+    border: 1px solid #3e4c5c;
+    background-color: #efefef;
+    color: #3e4c5c;
+  }
 }
\ No newline at end of file
diff --git a/app/services/decidim/stratified_sortitions/sortition_results_exporter.rb b/app/services/decidim/stratified_sortitions/sortition_results_exporter.rb
index 9e857d2..f44c181 100644
--- a/app/services/decidim/stratified_sortitions/sortition_results_exporter.rb
+++ b/app/services/decidim/stratified_sortitions/sortition_results_exporter.rb
@@ -84,12 +84,21 @@ def export_json
 
       private
 
+      def i18n_scope
+        "decidim.stratified_sortitions.admin.stratified_sortitions.execute"
+      end
+
       def metadata_headers
-        @metadata_headers ||= %w(
-          algorithm total_participants generated_at generation_time
-          num_panels selected_at verification_seed random_value_used
-          selected_panel_probability
-        )
+        @metadata_headers ||= [
+          I18n.t("algorithm", scope: i18n_scope),
+          I18n.t("total_participants", scope: i18n_scope),
+          I18n.t("generated_at", scope: i18n_scope),
+          I18n.t("generation_time", scope: i18n_scope),
+          I18n.t("num_panels", scope: i18n_scope),
+          I18n.t("selected_at", scope: i18n_scope),
+          I18n.t("random_value_used", scope: i18n_scope),
+          I18n.t("selected_panel_probability", scope: i18n_scope),
+        ]
       end
 
       def metadata_values
@@ -100,7 +109,6 @@ def metadata_values
           @portfolio.generation_time_seconds,
           @portfolio.num_panels,
           @portfolio.selected_at,
-          @portfolio.verification_seed || "-",
           @portfolio.random_value_used,
           format_percentage(@portfolio.selected_panel_probability),
         ]
@@ -108,10 +116,16 @@ def metadata_values
 
       def participant_headers
         @participant_headers ||= begin
-          headers = %w(personal_data_1 personal_data_2 personal_data_3 personal_data_4)
+          template_scope = "decidim.stratified_sortitions.admin.samples.template"
+          headers = [
+            I18n.t("personal_data_1", scope: template_scope),
+            I18n.t("personal_data_2", scope: template_scope),
+            I18n.t("personal_data_3", scope: template_scope),
+            I18n.t("personal_data_4", scope: template_scope),
+          ]
           @strata.each do |stratum|
             stratum_name = stratum.name.values.compact.first || stratum.id.to_s
-            headers << "stratum_#{stratum_name}"
+            headers << stratum_name
           end
           headers
         end
diff --git a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/_form.html.erb b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/_form.html.erb
index edd761e..3abf7fa 100644
--- a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/_form.html.erb
+++ b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/_form.html.erb
@@ -13,7 +13,7 @@
         <%= form.translated :text_field, :title, autofocus: true, aria: { label: :title } %>
       </div>
 
-      <div class="row column">
+      <div class="row column mt-4">
         <%= form.number_field :num_candidates %>
       </div>
 
diff --git a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/execute.html.erb b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/execute.html.erb
index 7e07565..e1b9e28 100644
--- a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/execute.html.erb
+++ b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/execute.html.erb
@@ -57,7 +57,6 @@
                 <th><%= t(".generation_time") %></th>
                 <th><%= t(".num_panels") %></th>
                 <th><%= t(".selected_at") %></th>
-                <th><%= t(".verification_seed") %></th>
                 <th><%= t(".random_value_used") %></th>
                 <th><%= t(".selected_panel_probability") %></th>
               </tr>
@@ -71,9 +70,8 @@
                 <td><%= number_with_precision(@portfolio.generation_time_seconds, precision: 2) %>s</td>
                 <td><%= @portfolio.num_panels %></td>
                 <td><%= l @portfolio.selected_at, format: :decidim_short %></td>
-                <td><code><%= @portfolio.verification_seed || "-" %></code></td>
                 <td><code><%= @portfolio.random_value_used %></code></td>
-                <td><%= number_to_percentage(@portfolio.selected_panel_probability.to_f * 100, precision: 4) %></td>
+                <td><%= number_to_percentage(@portfolio.selected_panel_probability.to_f * 100, precision: 2) %></td>
               </tr>
             </tbody>
           </table>
diff --git a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/upload_sample.html.erb b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/upload_sample.html.erb
index 6ada393..0fc3af5 100644
--- a/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/upload_sample.html.erb
+++ b/app/views/decidim/stratified_sortitions/admin/stratified_sortitions/upload_sample.html.erb
@@ -6,6 +6,13 @@
 </div>
 <%= render 'navigation_menu' %>
 <div class="card mt-12">
+  <div class="item_show__header">
+    <h1 class="item_show__header-title">
+      <div>
+        <%= t(".upload_census") %>
+      </div>
+    </h1>
+  </div>
   <div class="mt-1">
     <%= t(".description") %>
   </div>
@@ -15,7 +22,7 @@
       <%= link_to t('.download_template'), download_template_samples_path(id: @stratified_sortition.id), class: 'button button__sm button__secondary' %>
     </div>
   </div>
-  <div class="row mt-4">
+  <div class="row mt-4 <%= 'upload-disabled-wrapper' if @stratified_sortition.executed? %>">
     <%= decidim_form_for(@form, url: samples_path(id: @stratified_sortition.id), method: :post, html: { id: "sample-upload-form", class: "form", multipart: true }) do |form| %>
       <%= form.upload :file,
             label: false,
diff --git a/config/locales/ca.yml b/config/locales/ca.yml
index 4db0ed9..745d0d4 100644
--- a/config/locales/ca.yml
+++ b/config/locales/ca.yml
@@ -6,7 +6,7 @@ ca:
         created_at: Data de creació
         title: Títol
         description: Descripció
-        num_candidates: Nombre de candidats
+        num_candidates: Nombre de persones candidates a seleccionar
         selection_criteria: Criteris de selecció
         selected_profiles_description: Descripció dels perfils seleccionats
     errors:
@@ -42,14 +42,14 @@ ca:
           execute: Executar sorteig
           new_stratified_sortition: "Nou sorteig estratificat"
           title: "Accions"
-          census_management: Gestió cens
+          census_management: Gestionar mostra
         models:
           stratified_sortition:
             fields:
               created_at: Data de creació
               title: Títol
               description: Descripció
-              num_candidates: Nombre de candidats
+              num_candidates: Nombre de candidates a seleccionar
               selection_criteria: Criteris de selecció
               selected_profiles_description: Descripció dels perfils seleccionats
         stratified_sortitions:
@@ -100,7 +100,7 @@ ca:
               one: "1 participant seleccionat"
               other: "%{count} participants seleccionats"
             participant_id: ID
-            personal_data_1: Dada personal 1
+            personal_data_1: "Dada personal 1 (identificador únic)"
             personal_data_2: Dada personal 2
             personal_data_3: Dada personal 3
             personal_data_4: Dada personal 4
@@ -182,7 +182,8 @@ ca:
             remove_uploaded_samples: Eliminar tots els registres
             confirm_remove_uploaded_samples: Estàs segur que vols eliminar totes les registres?
             target: Objectiu
-            title: Importar nova mostra
+            title: Gestionar mostra
+            upload_census: Pujar una nova mostra
             upload_file: Afegir arxiu
             uploaded_file: Dades de la mostra carregada
             uploaded_files: "S'han agregat els següents fitxers:"
@@ -252,7 +253,7 @@ ca:
             one: S'ha seleccionat 1 participant
             other: "S'han seleccionat %{count} participants"
           sortition_details: Detalls del sorteig
-          num_candidates: Nombre de candidats
+          num_candidates: Nombre de candidates a seleccionar
           status: Estat
           strata_count: Nombre d'estrats
           algorithm: Algorisme
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 9bf46fe..c2dc973 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -6,7 +6,7 @@ en:
         created_at: Created At
         title: Title
         description: Description
-        num_candidates: Number of Candidates
+        num_candidates: Number of candidates to select
         selection_criteria: Selection Criteria
         selected_profiles_description: Selected Profiles Description
     errors:
@@ -42,14 +42,14 @@ en:
           execute: Execute sortition
           new_stratified_sortition: "New Stratified Sortition"
           title: "Actions"
-          census_management: Census management
+          census_management: Manage sample
         models:
           stratified_sortition:
             fields:
               created_at: Created At
               title: Title
               description: Description
-              num_candidates: Number of Candidates
+              num_candidates: Number of candidates to select
               selection_criteria: Selection Criteria
               selected_profiles_description: Selected Profiles Description
         stratified_sortitions:
@@ -182,7 +182,8 @@ en:
             confirm_remove_uploaded_samples: Are you sure you want to remove all uploaded samples?
             strata_not_configured: You must configure strata and substrata first
             target: Target
-            title: Import new sample
+            title: Manage sample
+            upload_census: Upload new sample
             upload_file: Upload file
             uploaded_file: Uploaded sample data
             uploaded_files: "The following files have been added:"
@@ -252,7 +253,7 @@ en:
             one: 1 participant has been selected
             other: "%{count} participants have been selected"
           sortition_details: Sortition details
-          num_candidates: Number of candidates
+          num_candidates: Number of candidates to select
           status: Status
           strata_count: Number of strata
           algorithm: Algorithm
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 7346130..b5d2681 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -6,7 +6,7 @@ es:
         created_at: Fecha de creación
         title: Título
         description: Descripción
-        num_candidates: Número de candidatos
+        num_candidates: Número de personas candidatas a seleccionar
         selection_criteria: Criterios de selección
         selected_profiles_description: Descripción de los perfiles seleccionados
     errors:
@@ -42,14 +42,14 @@ es:
           execute: Ejecutar sorteo
           new_stratified_sortition: "Nuevo sorteo estratificado"
           title: "Acciones"
-          census_management: Gestión censo
+          census_management: Gestionar muestra
         models:
           stratified_sortition:
             fields:
               created_at: Fecha de creación
               title: Título
               description: Descripción
-              num_candidates: Número de candidatos
+              num_candidates: Número de candidatas a seleccionar
               selection_criteria: Criterios de selección
               selected_profiles_description: Descripción de los perfiles seleccionados
         stratified_sortitions:
@@ -182,7 +182,8 @@ es:
             confirm_remove_uploaded_samples: ¿Estás seguro de que quieres eliminar todas las muestras cargadas?
             strata_not_configured: Primero debes configurar los estratos y subestratos
             target: Objetivo
-            title: Importar nueva muestra
+            title: Gestionar muestra
+            upload_census: Subir una nueva muestra
             upload_file: Subir archivo
             uploaded_file: Datos de la muestra cargada
             uploaded_files: "Se han agregado los siguientes archivos:"
@@ -252,7 +253,7 @@ es:
             one: Se ha seleccionado 1 participante
             other: "Se han seleccionado %{count} participantes"
           sortition_details: Detalles del sorteo
-          num_candidates: Número de candidatos
+          num_candidates: Número de candidatas a seleccionar
           status: Estado
           strata_count: Número de estratos
           algorithm: Algoritmo
diff --git a/spec/services/decidim/stratified_sortitions/sortition_results_exporter_spec.rb b/spec/services/decidim/stratified_sortitions/sortition_results_exporter_spec.rb
index 661deb3..57d5a36 100644
--- a/spec/services/decidim/stratified_sortitions/sortition_results_exporter_spec.rb
+++ b/spec/services/decidim/stratified_sortitions/sortition_results_exporter_spec.rb
@@ -78,9 +78,8 @@ module StratifiedSortitions
           let(:rows) { CSV.parse(result.read, col_sep: Decidim.default_csv_col_sep) }
 
           it "has metadata headers in the first row" do
-            expect(rows[0]).to include("algorithm")
-            expect(rows[0]).to include("total_participants")
-            expect(rows[0]).to include("verification_seed")
+            expect(rows[0]).to include("Algorithm")
+            expect(rows[0]).to include("Total participants")
           end
 
           it "has metadata values in the second row" do
@@ -93,12 +92,12 @@ module StratifiedSortitions
           end
 
           it "has participant headers in the fourth row" do
-            expect(rows[3]).to include("personal_data_1")
-            expect(rows[3]).to include("personal_data_2")
+            expect(rows[3]).to include("Personal data 1 (unique identifier)")
+            expect(rows[3]).to include("Personal data 2")
           end
 
           it "has a stratum column header derived from stratum name" do
-            expect(rows[3]).to include("stratum_Gender")
+            expect(rows[3]).to include("Gender")
           end
 
           it "has participant data starting at the fifth row" do
@@ -108,7 +107,7 @@ module StratifiedSortitions
           end
 
           it "includes substratum names in the stratum column" do
-            stratum_col_idx = rows[3].index("stratum_Gender")
+            stratum_col_idx = rows[3].index("Gender")
             substratum_values = rows[4..].map { |row| row[stratum_col_idx] }
             expect(substratum_values).to include("Woman")
             expect(substratum_values).to include("Man")
@@ -170,7 +169,7 @@ module StratifiedSortitions
           end
 
           it "has algorithm in metadata" do
-            expect(parsed["metadata"]["algorithm"]).to match(/LEXIMIN/)
+            expect(parsed["metadata"]["Algorithm"]).to match(/LEXIMIN/)
           end
 
           it "includes all selected participants" do
@@ -178,12 +177,12 @@ module StratifiedSortitions
           end
 
           it "includes personal_data_1 for each participant" do
-            ids = parsed["participants"].map { |p| p["personal_data_1"] }
+            ids = parsed["participants"].map { |p| p["Personal data 1 (unique identifier)"] }
             expect(ids).to include("ID001", "ID002")
           end
 
           it "includes stratum substratum values for each participant" do
-            genders = parsed["participants"].map { |p| p["stratum_Gender"] }
+            genders = parsed["participants"].map { |p| p["Gender"] }
             expect(genders).to include("Woman", "Man")
           end
         end