diff --git a/test/clj/auto_ap/ssr/transaction/edit_simple_advanced_mode_test.clj b/test/clj/auto_ap/ssr/transaction/edit_simple_advanced_mode_test.clj
index 6a17a6fd..a1f9d043 100644
--- a/test/clj/auto_ap/ssr/transaction/edit_simple_advanced_mode_test.clj
+++ b/test/clj/auto_ap/ssr/transaction/edit_simple_advanced_mode_test.clj
@@ -697,7 +697,11 @@
 ;;; ---------------------------------------------------------------------------
 
 (deftest fields-present-in-both-modes-test
-  (testing "AC17: vendor field is present in simple mode"
+  ;; NOTE: memo and approval-status fields are rendered by LinksStep/render-step
+  ;; (outside of #manual-coding-section), so they cannot be tested at the
+  ;; manual-coding-section* level. This test covers what manual-coding-section*
+  ;; is directly responsible for.
+  (testing "AC17: key fields are present in both simple and advanced modes"
     (let [result @(dc/transact conn [{:db/id "client-id"
                                       :client/code "FLDTESTCL"
                                       :client/locations ["DT"]}
@@ -735,6 +739,7 @@
                          (fc/start-form (:multi-form-state (make-req :advanced one-account)) nil
                                         (fc/with-field :step-params
                                           (manual-coding-section* :advanced (make-req :advanced one-account)))))]
+      ;; --- Vendor field assertions (both modes) ---
       (is (re-find #"Vendor" html-simple)
           "AC17: Vendor field label must appear in simple mode")
       (is (re-find #"vendor/search" html-simple)
@@ -746,7 +751,24 @@
       (is (re-find #"vendor/search" html-advanced)
           "AC17: Vendor typeahead/search URL must appear in advanced mode")
       (is (re-find #"transaction/vendor" html-advanced)
-          "AC17: Vendor field name must appear in advanced mode"))))
+          "AC17: Vendor field name must appear in advanced mode")
+      ;; --- Hidden mode input (proves section is complete) ---
+      (is (re-find #"name=\"mode\".*value=\"simple\"" html-simple)
+          "AC17: hidden mode=simple input must be present in simple mode")
+      (is (re-find #"name=\"mode\".*value=\"advanced\"" html-advanced)
+          "AC17: hidden mode=advanced input must be present in advanced mode")
+      ;; --- Simple-mode-specific fields: account typeahead, location select, toggle link ---
+      (is (re-find #"account/search" html-simple)
+          "AC17: account typeahead search URL must appear in simple mode")
+      (is (re-find #"transaction-account/location" html-simple)
+          "AC17: location select field name must appear in simple mode")
+      (is (re-find #"Switch to advanced mode" html-simple)
+          "AC17: toggle link to advanced mode must appear in simple mode")
+      ;; --- Advanced-mode-specific: account-grid-body and toggle link ---
+      (is (re-find #"account-grid-body" html-advanced)
+          "AC17: #account-grid-body must be present in advanced mode")
+      (is (re-find #"Switch to simple mode" html-advanced)
+          "AC17: toggle link to simple mode must appear in advanced mode (<=1 row)"))))
 
 ;;; ---------------------------------------------------------------------------
 ;;; AC18: switching modes mid-edit then saving produces a valid transaction