diff --git a/app/models/legislation/process.rb b/app/models/legislation/process.rb
index f59ddf377..d4cf5284f 100644
--- a/app/models/legislation/process.rb
+++ b/app/models/legislation/process.rb
@@ -46,6 +46,7 @@ class Legislation::Process < ApplicationRecord
   validates_translation :title, presence: true
   validates :start_date, presence: true
   validates :end_date, presence: true
+  validates :result_publication_date, presence: true, if: :result_publication_enabled?
 
   %i[draft debate proposals_phase allegations].each do |phase_name|
     enabled_attribute = :"#{phase_name.to_s.gsub("_phase", "")}_phase_enabled?"
diff --git a/spec/models/legislation/process_spec.rb b/spec/models/legislation/process_spec.rb
index 5b62b98f4..511e5aa62 100644
--- a/spec/models/legislation/process_spec.rb
+++ b/spec/models/legislation/process_spec.rb
@@ -154,6 +154,21 @@ describe Legislation::Process do
       expect(proposals_disabled).to be_valid
       expect(allegations_disabled).to be_valid
     end
+
+    it "is invalid if result publication is enabled but result_publication_date is not present" do
+      process = build(:legislation_process, result_publication_enabled: true, result_publication_date: "")
+
+      expect(process).not_to be_valid
+      expect(process.errors.messages[:result_publication_date]).to include("can't be blank")
+    end
+
+    it "is valid if result publication is enabled and result_publication_date is present" do
+      process = build(:legislation_process,
+                      result_publication_enabled: true,
+                      result_publication_date: Date.tomorrow)
+
+      expect(process).to be_valid
+    end
   end
 
   describe "date ranges validations" do
diff --git a/spec/system/legislation/summary_spec.rb b/spec/system/legislation/summary_spec.rb
index 36c9ffe28..a521d0827 100644
--- a/spec/system/legislation/summary_spec.rb
+++ b/spec/system/legislation/summary_spec.rb
@@ -22,6 +22,7 @@ describe "Legislation" do
   scenario "empty process" do
     process = create(:legislation_process, :empty,
                      result_publication_enabled: true,
+                     result_publication_date: 1.day.ago,
                      end_date: Date.current - 1.day)
 
     visit summary_legislation_process_path(process)