From aa41e1ae22f1d7a48d709191baf65d64b4985fc6 Mon Sep 17 00:00:00 2001
From: Katherine Langford <katherine.langford@softwire.com>
Date: Wed, 14 Jan 2026 10:24:09 +0000
Subject: [PATCH] CLDC-4177: Adds SAB form for the primary buyer.

---
 .../sales/pages/sex_registered_at_birth1.rb   | 22 +++++++++++++++++++
 .../questions/sex_registered_at_birth1.rb     |  2 +-
 .../subsections/household_characteristics.rb  |  1 +
 .../sales/household_characteristics.en.yml    |  7 ++++++
 4 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 app/models/form/sales/pages/sex_registered_at_birth1.rb

diff --git a/app/models/form/sales/pages/sex_registered_at_birth1.rb b/app/models/form/sales/pages/sex_registered_at_birth1.rb
new file mode 100644
index 000000000..0990f3932
--- /dev/null
+++ b/app/models/form/sales/pages/sex_registered_at_birth1.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class Form::Sales::Pages::SexRegisteredAtBirth1 < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "buyer_1_sex_registered_at_birth"
+    @depends_on = [
+      {
+        "buyer_has_seen_privacy_notice?" => true,
+      },
+      {
+        "buyer_not_interviewed?" => true,
+      },
+    ]
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::SexRegisteredAtBirth1.new(nil, nil, self),
+    ]
+  end
+end
diff --git a/app/models/form/sales/questions/sex_registered_at_birth1.rb b/app/models/form/sales/questions/sex_registered_at_birth1.rb
index fb00fa65e..633a9dc13 100644
--- a/app/models/form/sales/questions/sex_registered_at_birth1.rb
+++ b/app/models/form/sales/questions/sex_registered_at_birth1.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Form::Sales::Questions::SexRegisteredAtBirth1 < Form::Question
+class Form::Sales::Questions::SexRegisteredAtBirth1 < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "sexRAB1"
diff --git a/app/models/form/sales/subsections/household_characteristics.rb b/app/models/form/sales/subsections/household_characteristics.rb
index a1f21ae8e..b18f7919f 100644
--- a/app/models/form/sales/subsections/household_characteristics.rb
+++ b/app/models/form/sales/subsections/household_characteristics.rb
@@ -24,6 +24,7 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       (Form::Sales::Pages::NotRetiredValueCheck.new("age_1_not_retired_value_check", nil, self, person_index: 1) if form.start_year_2024_or_later?),
       Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck.new("age_1_old_persons_shared_ownership_joint_purchase_value_check", nil, self, joint_purchase: true),
       Form::Sales::Pages::OldPersonsSharedOwnershipValueCheck.new("age_1_old_persons_shared_ownership_value_check", nil, self, joint_purchase: false),
+      Form::Sales::Pages::SexRegisteredAtBirth1.new(nil, nil, self),
       Form::Sales::Pages::GenderIdentity1.new(nil, nil, self),
       Form::Sales::Pages::Buyer1EthnicGroup.new(nil, nil, self),
       Form::Sales::Pages::Buyer1EthnicBackgroundBlack.new(nil, nil, self),
diff --git a/config/locales/forms/2026/sales/household_characteristics.en.yml b/config/locales/forms/2026/sales/household_characteristics.en.yml
index 1254ecf6a..36354eb3e 100644
--- a/config/locales/forms/2026/sales/household_characteristics.en.yml
+++ b/config/locales/forms/2026/sales/household_characteristics.en.yml
@@ -16,6 +16,13 @@ en:
               hint_text: ""
               question_text: "Age"
 
+          sexRAB1:
+            page_header: ""
+            check_answer_label: "Buyer 1’s sex registered at birth"
+            check_answer_prompt: ""
+            hint_text: "This is your sex that was registered at birth. The next question will ask about your gender identity."
+            question_text: "What is your sex?"
+
           sex1:
             page_header: ""
             check_answer_label: "Buyer 1’s gender identity"