diff --git a/app/models/form/sales/questions/age1.rb b/app/models/form/sales/questions/age1.rb
index 390fba3a6..901780232 100644
--- a/app/models/form/sales/questions/age1.rb
+++ b/app/models/form/sales/questions/age1.rb
@@ -7,5 +7,11 @@ class Form::Sales::Questions::Age1 < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 2
+    @inferred_check_answers_value = {
+      "condition" => {
+        "age1_known" => 1
+      },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/app/models/form/sales/questions/age2.rb b/app/models/form/sales/questions/age2.rb
index 9792bf333..411af37f3 100644
--- a/app/models/form/sales/questions/age2.rb
+++ b/app/models/form/sales/questions/age2.rb
@@ -7,5 +7,9 @@ class Form::Sales::Questions::Age2 < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 2
+    @inferred_check_answers_value = {
+      "condition" => { "age2_known" => 1 },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/app/models/form/sales/questions/person1_age.rb b/app/models/form/sales/questions/person1_age.rb
index 00cf1de13..6a96ec942 100644
--- a/app/models/form/sales/questions/person1_age.rb
+++ b/app/models/form/sales/questions/person1_age.rb
@@ -7,5 +7,9 @@ class Form::Sales::Questions::Person1Age < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 3
+    @inferred_check_answers_value = {
+      "condition" => { "age3_known" => 1 },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/app/models/form/sales/questions/person2_age.rb b/app/models/form/sales/questions/person2_age.rb
index e465e5db1..b609994ec 100644
--- a/app/models/form/sales/questions/person2_age.rb
+++ b/app/models/form/sales/questions/person2_age.rb
@@ -7,5 +7,9 @@ class Form::Sales::Questions::Person2Age < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 3
+    @inferred_check_answers_value = {
+      "condition" => { "age4_known" => 1 },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/app/models/form/sales/questions/person3_age.rb b/app/models/form/sales/questions/person3_age.rb
index ca6c71953..de7ef3166 100644
--- a/app/models/form/sales/questions/person3_age.rb
+++ b/app/models/form/sales/questions/person3_age.rb
@@ -7,5 +7,9 @@ class Form::Sales::Questions::Person3Age < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 3
+    @inferred_check_answers_value = {
+      "condition" => { "age5_known" => 1 },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/app/models/form/sales/questions/person4_age.rb b/app/models/form/sales/questions/person4_age.rb
index ca858fe72..81809677d 100644
--- a/app/models/form/sales/questions/person4_age.rb
+++ b/app/models/form/sales/questions/person4_age.rb
@@ -7,5 +7,9 @@ class Form::Sales::Questions::Person4Age < ::Form::Question
     @type = "numeric"
     @page = page
     @width = 3
+    @inferred_check_answers_value = {
+      "condition" => { "age6_known" => 1 },
+      "value" => "Not known"
+    }
   end
 end
diff --git a/spec/models/form/sales/questions/age1_spec.rb b/spec/models/form/sales/questions/age1_spec.rb
index 7739a123f..ca66aa9e9 100644
--- a/spec/models/form/sales/questions/age1_spec.rb
+++ b/spec/models/form/sales/questions/age1_spec.rb
@@ -38,4 +38,11 @@ RSpec.describe Form::Sales::Questions::Age1, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(2)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => { "age1_known" => 1},
+      "value" => "Not known"
+    })
+  end
 end
diff --git a/spec/models/form/sales/questions/age2_spec.rb b/spec/models/form/sales/questions/age2_spec.rb
index 9f5a382ee..64f70ddf2 100644
--- a/spec/models/form/sales/questions/age2_spec.rb
+++ b/spec/models/form/sales/questions/age2_spec.rb
@@ -38,4 +38,13 @@ RSpec.describe Form::Sales::Questions::Age2, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(2)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {
+        "age2_known" => 1
+      },
+      "value" => "Not known"
+    })
+  end
 end
diff --git a/spec/models/form/sales/questions/person1_age_spec.rb b/spec/models/form/sales/questions/person1_age_spec.rb
index bd2939212..e981050b4 100644
--- a/spec/models/form/sales/questions/person1_age_spec.rb
+++ b/spec/models/form/sales/questions/person1_age_spec.rb
@@ -38,4 +38,11 @@ RSpec.describe Form::Sales::Questions::Person1Age, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(3)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {"age3_known" => 1},
+      "value" => "Not known"
+    })
+  end
 end
diff --git a/spec/models/form/sales/questions/person2_age_spec.rb b/spec/models/form/sales/questions/person2_age_spec.rb
index 4caedc2bc..2ee3c1726 100644
--- a/spec/models/form/sales/questions/person2_age_spec.rb
+++ b/spec/models/form/sales/questions/person2_age_spec.rb
@@ -38,4 +38,11 @@ RSpec.describe Form::Sales::Questions::Person2Age, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(3)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {"age4_known" => 1},
+      "value" => "Not known"
+    })
+  end
 end
diff --git a/spec/models/form/sales/questions/person3_age_spec.rb b/spec/models/form/sales/questions/person3_age_spec.rb
index 59dda523e..2a381fe70 100644
--- a/spec/models/form/sales/questions/person3_age_spec.rb
+++ b/spec/models/form/sales/questions/person3_age_spec.rb
@@ -38,4 +38,11 @@ RSpec.describe Form::Sales::Questions::Person3Age, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(3)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {"age5_known" => 1},
+      "value" => "Not known"
+    })
+  end
 end
diff --git a/spec/models/form/sales/questions/person4_age_spec.rb b/spec/models/form/sales/questions/person4_age_spec.rb
index c465a9d2a..04dbca7a2 100644
--- a/spec/models/form/sales/questions/person4_age_spec.rb
+++ b/spec/models/form/sales/questions/person4_age_spec.rb
@@ -38,4 +38,11 @@ RSpec.describe Form::Sales::Questions::Person4Age, type: :model do
   it "has the correct width" do
     expect(question.width).to eq(3)
   end
+
+  it "has the correct inferred check answers value" do
+    expect(question.inferred_check_answers_value).to eq({
+      "condition" => {"age6_known" => 1},
+      "value" => "Not known"
+    })
+  end
 end