diff --git a/apps/as/src/pages/instl-sncn/ui/cnfm-regist-page.tsx b/apps/as/src/pages/instl-sncn/ui/cnfm-regist-page.tsx
index 76503e541..d9474bc8a 100644
--- a/apps/as/src/pages/instl-sncn/ui/cnfm-regist-page.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/cnfm-regist-page.tsx
@@ -13,11 +13,11 @@ import { getCookie, setCookie, useAlertStore, useUserStore } from "@/shared/lib"
 import { deleteAttachment  } from "@/shared/lib/attach";
 import { formatFileSize } from "@/shared/lib/file-utils";
 import type { AcntgSeMngTreeDto } from "@/entities/acntg";
-import { acntgService } from "@/entities/acntg";
+import { acntgSeMngService } from "@/entities/acntg";
 import type { CklstTreeNode } from "@/entities/cklst";
 import { cklstMngService } from "@/entities/cklst";
 import type { CnstpSeMngTreeDto } from "@/entities/cnstp";
-import { cnstpService } from "@/entities/cnstp";
+import { cnstpSeMngService } from "@/entities/cnstp";
 import {
   esntlAtchFileMngService,
   type EsntlAtchFileMngTreeResponseDto,
@@ -834,7 +834,7 @@ function CnfmRegistPage({ initialData }: { initialData?: any } = {}) {
   /* ── 공종구분 트리 로드 ── */
   const { data: cnstpTree = [] } = useQuery<CnstpSeMngTreeDto[]>({
     queryKey: ["cnstpTree"],
-    queryFn: cnstpService.findTree,
+    queryFn: () => cnstpSeMngService.findTree(),
     staleTime: Infinity,
   });
 
@@ -886,7 +886,7 @@ function CnfmRegistPage({ initialData }: { initialData?: any } = {}) {
   /* ── 회계구분 트리 로드 ── */
   const { data: acntgTree = [] } = useQuery<AcntgSeMngTreeDto[]>({
     queryKey: ["acntgTree"],
-    queryFn: acntgService.findTree,
+    queryFn: () => acntgSeMngService.findTree(),
     staleTime: Infinity, // 코드 데이터 — 앱 수명 동안 재요청 불필요
   });