diff --git a/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts b/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
index bf75447dc..0315e61a5 100644
--- a/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
+++ b/apps/as/src/pages/instl-sncn/lib/instl-sncn-regist-schema.ts
@@ -55,16 +55,8 @@ export const instlSncnRegistSchema = z.object({
       tstmDesignAmt: z.number(),
     }),
   ),
-  cklstResultList: z.array(
-    instlSncnCklstResultItemSchema.extend({
-      cklstSn: z.number(),
-      cklstArtclSn: z.number(),
-      cklstRvwSn: z.number(),
-      rvwStpComCd: z.string(),
-      selected: z.enum(["Y", "N"]).nullish(),
-      picRvwCn: z.string().nullish(),
-    }),
-  ),
+  // 설치인가 화면에서 체크리스트 미사용: 숨겨진 값 때문에 신청·저장 검증이 막히지 않도록 필수값을 두지 않음
+  cklstResultList: z.array(instlSncnCklstResultItemSchema),
   esntlAtchFileList: z.array(
     instlSncnEsntlAtchFileItemSchema.extend({
       esntlAtchFileId: z.string(),