diff --git a/src/routes/settings.import.tsx b/src/routes/settings.import.tsx
index 62c4b05..d9ecac9 100644
--- a/src/routes/settings.import.tsx
+++ b/src/routes/settings.import.tsx
@@ -710,6 +710,12 @@ function ImportPage() {
           bumpSkip("missing or invalid hours");
         } else if (cfg.table === "time_entries" && !row.description && !row._activity) {
           bumpSkip("missing description/activity");
+        } else if (cfg.table === "expenses" && !row.case_id && !row._caseext && !row._casenum && !row._casename) {
+          bumpSkip("missing case reference");
+        } else if (cfg.table === "expenses" && (row._caseext || row._casenum || row._casename) && !row.case_id) {
+          bumpSkip("case not found (import cases first or match case title/number)");
+        } else if (cfg.table === "expenses" && row.amount == null) {
+          bumpSkip("missing or invalid amount");
         } else {
           bumpSkip("rejected by transform");
         }