diff --git a/app/models/form/sales/questions/sex_registered_at_birth1.rb b/app/models/form/sales/questions/sex_registered_at_birth1.rb
new file mode 100644
index 000000000..fb00fa65e
--- /dev/null
+++ b/app/models/form/sales/questions/sex_registered_at_birth1.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class Form::Sales::Questions::SexRegisteredAtBirth1 < Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "sexRAB1"
+    @type = "radio"
+    @check_answers_card_number = 1
+    @answer_options = ANSWER_OPTIONS
+    @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
+  end
+
+  ANSWER_OPTIONS = {
+    "F" => { "value" => "Female" },
+    "M" => { "value" => "Male" },
+    "divider" => { "value" => true },
+    "R" => { "value" => "Tenant prefers not to say" },
+  }.freeze
+
+  QUESTION_NUMBER_FROM_YEAR = { 2026 => 32 }.freeze
+end