Only display local authority question if the la is not inferred

app/models/form/sales/pages/property_local_authority.rb

@@ -2,6 +2,9 @@ class Form::Sales::Pages::PropertyLocalAuthority < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "property_local_authority"
+    @depends_on = [{
+      "is_la_inferred" => false,
+    }]
   end
 
   def questions

spec/models/form/sales/pages/property_local_authority_spec.rb

@@ -31,4 +31,10 @@ RSpec.describe Form::Sales::Pages::PropertyLocalAuthority, type: :model do
   it "has the correct description" do
     expect(page.description).to be_nil
   end
+
+  it "has the correct depends_on" do
+    expect(page.depends_on).to eq([{
+      "is_la_inferred" => false,
+    }])
+  end
 end