diff --git a/app/models/form/sales/pages/deposit.rb b/app/models/form/sales/pages/deposit.rb
index 10d28489b..65ec30cb0 100644
--- a/app/models/form/sales/pages/deposit.rb
+++ b/app/models/form/sales/pages/deposit.rb
@@ -12,17 +12,10 @@ class Form::Sales::Pages::Deposit < ::Form::Page
     ]
   end
 
-  def depends_on
-    if form.start_year_after_2024?
-      [{ "social_homebuy?" => false, "ownershipsch" => 1, "stairowned_100?" => @optional },
-       { "ownershipsch" => 2 },
-       { "ownershipsch" => 3, "mortgageused" => 1 },
-       { "social_homebuy?" => true, "stairowned_100?" => @optional }]
-    else
-      [{ "social_homebuy?" => false, "ownershipsch" => 1 },
-       { "ownershipsch" => 2 },
-       { "ownershipsch" => 3, "mortgageused" => 1 },
-       { "social_homebuy?" => true }]
-    end
+  def routed_to?(log, _user)
+    return true if log.ownershipsch == 2 || (log.ownershipsch == 3 && log.mortgageused == 1)
+    return false if log.stairowned_100? != @optional && form.start_year_after_2024?
+
+    log.social_homebuy? == false && log.ownershipsch == 1 || log.social_homebuy? == true
   end
 end
diff --git a/spec/models/form/sales/pages/deposit_spec.rb b/spec/models/form/sales/pages/deposit_spec.rb
index a48f42883..af314a95a 100644
--- a/spec/models/form/sales/pages/deposit_spec.rb
+++ b/spec/models/form/sales/pages/deposit_spec.rb
@@ -1,14 +1,16 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::Deposit, type: :model do
-  subject(:page) { described_class.new(page_id, page_definition, subsection, ownershipsch: 1, optional: false) }
+  subject(:page) { described_class.new(page_id, page_definition, subsection, ownershipsch: 1, optional:) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection) }
+  let(:subsection) { instance_double(Form::Subsection, enabled?: true) }
+  let(:form) { instance_double(Form, start_year_after_2024?: false, start_date: Time.zone.local(2023, 4, 1)) }
+  let(:optional) { false }
 
   before do
-    allow(subsection).to receive(:form).and_return(instance_double(Form, start_year_after_2024?: false, start_date: Time.zone.local(2023, 4, 1)))
+    allow(subsection).to receive(:form).and_return(form)
   end
 
   it "has correct subsection" do
@@ -31,52 +33,202 @@ RSpec.describe Form::Sales::Pages::Deposit, type: :model do
     expect(page.description).to be_nil
   end
 
-  it "has correct depends_on" do
-    expect(page.depends_on).to eq(
-      [{ "social_homebuy?" => false, "ownershipsch" => 1 },
-       { "ownershipsch" => 2 },
-       { "ownershipsch" => 3, "mortgageused" => 1 },
-       { "social_homebuy?" => true }],
-    )
-  end
+  context "when routing with start year after 2024" do
+    before do
+      allow(form).to receive(:start_year_after_2024?).and_return(true)
+    end
+
+    context "and optional is false" do
+      context "and the log is shared ownership, not social homembuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 70) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, not social homembuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 100) }
+
+        it "does not route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 80) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 100) }
+
+        it "does not route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is discounted ownership" do
+        let(:log) { build(:sales_log, ownershipsch: 2, type: 18) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is outright ownership and mortgage used is yes" do
+        let(:log) { build(:sales_log, ownershipsch: 3, mortgageused: 1) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and ownership is outright sale and mortgage used is not yes" do
+        let(:log) { build(:sales_log, ownershipsch: 3, mortgageused: 2) }
+
+        it "doesn't route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
+    end
+
+    context "and optional is true" do
+      let(:optional) { true }
+
+      context "and the log is shared ownership, not social homembuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 70) }
+
+        it "does not route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, not social homembuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 100) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 80) }
 
-  context "when optional is true" do
-    subject(:page) { described_class.new(page_id, page_definition, subsection, ownershipsch: 1, optional: true) }
+        it "does not route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 100) }
 
-    it "has correct depends_on" do
-      expect(page.depends_on).to eq(
-        [{ "social_homebuy?" => false, "ownershipsch" => 1 },
-         { "ownershipsch" => 2 },
-         { "ownershipsch" => 3, "mortgageused" => 1 },
-         { "social_homebuy?" => true }],
-      )
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
     end
   end
 
-  context "when it's a 2024 form" do
+  context "when routing with start year before 2024" do
     before do
-      allow(subsection).to receive(:form).and_return(instance_double(Form, start_year_after_2024?: true, start_date: Time.zone.local(2024, 4, 1)))
+      allow(form).to receive(:start_year_after_2024?).and_return(false)
     end
 
-    it "has correct depends_on" do
-      expect(page.depends_on).to eq(
-        [{ "social_homebuy?" => false, "ownershipsch" => 1, "stairowned_100?" => false },
-         { "ownershipsch" => 2 },
-         { "ownershipsch" => 3, "mortgageused" => 1 },
-         { "social_homebuy?" => true, "stairowned_100?" => false }],
-      )
+    context "and optional is false" do
+      context "and the log is shared ownership, not social homembuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 70) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, not social homembuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 100) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 80) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 100) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is discounted ownership" do
+        let(:log) { build(:sales_log, ownershipsch: 2, type: 18) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is outright ownership and mortgage used is yes" do
+        let(:log) { build(:sales_log, ownershipsch: 3, mortgageused: 1) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and ownership is outright sale and mortgage used is not yes" do
+        let(:log) { build(:sales_log, ownershipsch: 3, mortgageused: 2) }
+
+        it "doesn't route to the page" do
+          expect(page).not_to be_routed_to(log, nil)
+        end
+      end
     end
 
     context "and optional is true" do
-      subject(:page) { described_class.new(page_id, page_definition, subsection, ownershipsch: 1, optional: true) }
-
-      it "has correct depends_on" do
-        expect(page.depends_on).to eq(
-          [{ "social_homebuy?" => false, "ownershipsch" => 1, "stairowned_100?" => true },
-           { "ownershipsch" => 2 },
-           { "ownershipsch" => 3, "mortgageused" => 1 },
-           { "social_homebuy?" => true, "stairowned_100?" => true }],
-        )
+      let(:optional) { true }
+
+      context "and the log is shared ownership, not social homembuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 70) }
+
+        it "does routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, not social homembuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 16, stairowned: 100) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is not 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 80) }
+
+        it "does routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
+      end
+
+      context "and the log is shared ownership, social homebuy and stairowned is 100" do
+        let(:log) { build(:sales_log, ownershipsch: 1, type: 18, stairowned: 100) }
+
+        it "routes to the page" do
+          expect(page).to be_routed_to(log, nil)
+        end
       end
     end
   end