diff --git a/app/models/form/sales/questions/discount.rb b/app/models/form/sales/questions/discount.rb
index ee39b8916..4c4595ce1 100644
--- a/app/models/form/sales/questions/discount.rb
+++ b/app/models/form/sales/questions/discount.rb
@@ -6,7 +6,7 @@ class Form::Sales::Questions::Discount < ::Form::Question
     @header = "What was the percentage discount?"
     @type = "numeric"
     @min = 0
-    @max = 100
+    @max = form.start_year_after_2024? ? 70 : 100
     @step = 1
     @width = 5
     @suffix = "%"
diff --git a/spec/models/form/sales/pages/about_price_rtb_spec.rb b/spec/models/form/sales/pages/about_price_rtb_spec.rb
index c73a83b61..81cfbc6fc 100644
--- a/spec/models/form/sales/pages/about_price_rtb_spec.rb
+++ b/spec/models/form/sales/pages/about_price_rtb_spec.rb
@@ -7,6 +7,10 @@ RSpec.describe Form::Sales::Pages::AboutPriceRtb, type: :model do
   let(:page_definition) { nil }
   let(:subsection) { instance_double(Form::Subsection) }
 
+  before do
+    allow(subsection).to receive(:form).and_return(instance_double(Form, start_year_after_2024?: false))
+  end
+
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
   end
diff --git a/spec/models/form/sales/questions/discount_spec.rb b/spec/models/form/sales/questions/discount_spec.rb
index f40b2eded..c3b7d24a1 100644
--- a/spec/models/form/sales/questions/discount_spec.rb
+++ b/spec/models/form/sales/questions/discount_spec.rb
@@ -6,6 +6,12 @@ RSpec.describe Form::Sales::Questions::Discount, type: :model do
   let(:question_id) { nil }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  before do
+    allow(page).to receive(:subsection).and_return(subsection)
+    allow(subsection).to receive(:form).and_return(instance_double(Form, start_year_after_2024?: false))
+  end
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -52,4 +58,14 @@ RSpec.describe Form::Sales::Questions::Discount, type: :model do
   it "has correct max" do
     expect(question.max).to eq(100)
   end
+
+  context "with form start year after 2024" do
+    before do
+      allow(subsection).to receive(:form).and_return(instance_double(Form, start_year_after_2024?: true))
+    end
+
+    it "has correct max" do
+      expect(question.max).to eq(70)
+    end
+  end
 end