diff --git a/apps/as/src/entities/fnrs-cnsltn/api/queries.ts b/apps/as/src/entities/fnrs-cnsltn/api/queries.ts
index 7e29ba38b..15f1c14d3 100644
--- a/apps/as/src/entities/fnrs-cnsltn/api/queries.ts
+++ b/apps/as/src/entities/fnrs-cnsltn/api/queries.ts
@@ -64,8 +64,11 @@ export function useSaveApplyFnrsCnsltnMng() {
   const queryClient = useQueryClient();
   return useMutation({
     mutationFn: (body: FnrsCnsltnApplySaveRequestDto) => fnrsCnsltnMngService.saveApply(body),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all });
+    onSuccess: (data) => {
+      if (data) {
+        queryClient.removeQueries({ queryKey: fnrsCnsltnKeys.detail(data) });
+      }
+      queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all, refetchType: "all" });
     },
   });
 }
@@ -137,10 +140,8 @@ export function useSubmitSupplementFnrsCnsltnMng() {
     mutationFn: ({ id, body }: { id: string; body: FnrsCnsltnApplySaveRequestDto }) =>
       fnrsCnsltnMngService.submitSupplement(id, body),
     onSuccess: (_data, { id }) => {
-      queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all });
-      queryClient.invalidateQueries({
-        queryKey: fnrsCnsltnKeys.detail(id),
-      });
+      queryClient.removeQueries({ queryKey: fnrsCnsltnKeys.detail(id) });
+      queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all, refetchType: "all" });
     },
   });
 }
diff --git a/apps/as/src/entities/instl-sncn/api/queries.ts b/apps/as/src/entities/instl-sncn/api/queries.ts
index b01c0c892..dd32a5503 100644
--- a/apps/as/src/entities/instl-sncn/api/queries.ts
+++ b/apps/as/src/entities/instl-sncn/api/queries.ts
@@ -71,8 +71,11 @@ export function useInstlSncnSaveApply() {
 
   return useMutation({
     mutationFn: (payload: InstlSncnApplySaveRequestDto) => instlSncnService.saveApply(payload),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: instlSncnKeys.all });
+    onSuccess: (data) => {
+      if (data) {
+        queryClient.removeQueries({ queryKey: instlSncnKeys.detail(data) });
+      }
+      queryClient.invalidateQueries({ queryKey: instlSncnKeys.all, refetchType: "all" });
     },
   });
 }
@@ -110,8 +113,8 @@ export function useInstlSncnSubmitSupplement() {
     mutationFn: ({ id, payload }: { id: string; payload: InstlSncnApplySaveRequestDto }) =>
       instlSncnService.submitSupplement(id, payload),
     onSuccess: (_, variables) => {
-      queryClient.invalidateQueries({ queryKey: instlSncnKeys.all });
-      queryClient.invalidateQueries({ queryKey: instlSncnKeys.detail(variables.id) });
+      queryClient.removeQueries({ queryKey: instlSncnKeys.detail(variables.id) });
+      queryClient.invalidateQueries({ queryKey: instlSncnKeys.all, refetchType: "all" });
     },
   });
 }
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-detail-gate.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-detail-gate.tsx
index efe663ab3..9f4cb329b 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-detail-gate.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-detail-gate.tsx
@@ -12,7 +12,7 @@ interface FnrsDetailGateProps {
 
 function FnrsDetailGate({ id }: FnrsDetailGateProps) {
   const userInfo = useUserStore((state) => state.userInfo);
-  const { data, isLoading, isError } = useFnrsCnsltnMng(id);
+  const { data, isLoading, isFetching, isError } = useFnrsCnsltnMng(id);
   const canEdit = canEditPbadmsDoc({
     docSeComCd: "FNRS",
     prgrsSttsComCd: data?.detDto?.prgrsSttsComCd,
@@ -22,7 +22,7 @@ function FnrsDetailGate({ id }: FnrsDetailGateProps) {
 
   return (
     <PbadmsDetailGate
-      isPending={!userInfo || isLoading}
+      isPending={!userInfo || isLoading || isFetching}
       isError={isError}
       shouldRedirectToEdit={Boolean(userInfo) && canEdit}
       editHref={`/fnrs-cnsltn/${id}/edit`}
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-edit-page.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-edit-page.tsx
index 01d08f11d..f8c2c81f3 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-edit-page.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-edit-page.tsx
@@ -1,6 +1,11 @@
 "use client";
 
+import { useEffect } from "react";
+import { useRouter } from "next/navigation";
+
+import { useUserStore, withListQs } from "@/shared/lib";
 import { useFnrsCnsltnMng } from "@/entities/fnrs-cnsltn";
+import { canEditPbadmsDoc } from "@/widgets/pbadms-sprt";
 import { Skeleton } from "@common/components";
 
 import { FnrsFormPage } from "./fnrs-form-page";
@@ -10,9 +15,25 @@ interface FnrsEditPageProps {
 }
 
 function FnrsEditPage({ id }: FnrsEditPageProps) {
+  const router = useRouter();
+  const userInfo = useUserStore((state) => state.userInfo);
   const { data, isLoading } = useFnrsCnsltnMng(id);
 
-  if (isLoading) {
+  const canEdit = canEditPbadmsDoc({
+    docSeComCd: "FNRS",
+    prgrsSttsComCd: data?.detDto?.prgrsSttsComCd,
+    rgtr: data?.detDto?.rgtr,
+    loggedInUserUnqId: userInfo?.userUnqId,
+  });
+
+  useEffect(() => {
+    if (isLoading || !data?.detDto || !userInfo) return;
+    if (!canEdit) {
+      router.replace(withListQs(`/fnrs-cnsltn/${id}`));
+    }
+  }, [canEdit, data?.detDto, id, isLoading, router, userInfo]);
+
+  if (isLoading || (Boolean(data?.detDto) && !canEdit && Boolean(userInfo))) {
     return (
       <div className="mt-6 space-y-6 px-4">
         <div className="space-y-2">
diff --git a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
index 7c0f47f5d..cde3fd4c1 100644
--- a/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
+++ b/apps/as/src/pages/fnrs-cnsltn/ui/fnrs-form-page.tsx
@@ -70,7 +70,9 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
   const [isSubmitting, setIsSubmitting] = useState(false);
   const [isPwrkCnsltnDocMngOpen, setIsPwrkCnsltnDocMngOpen] = useState(false);
   const isEditMode = mode === "edit";
-  const isSplmntPrgrsStts = initialData?.detDto?.prgrsSttsComCd === "SL";
+  const prgrsSttsComCd = initialData?.detDto?.prgrsSttsComCd ?? "";
+  const isDraftStatus = !isEditMode || prgrsSttsComCd === "SV" || prgrsSttsComCd === "";
+  const isSplmntPrgrsStts = isEditMode && prgrsSttsComCd === "SL";
   const fnrsCnsltnDocNo = initialData?.detDto?.fnrsCnsltnDocNo;
 
   const { data: pwrkCnsltnData } = usePwrkCnsltnMngByUpDocNo(
@@ -153,8 +155,9 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
       if (!result) return;
 
       alert("보완 완료 처리되었습니다.");
-      await queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all });
-      router.push(withListQs(`/fnrs-cnsltn/${docNo}`));
+      queryClient.removeQueries({ queryKey: fnrsCnsltnKeys.detail(docNo) });
+      await queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all, refetchType: "all" });
+      router.replace(withListQs(`/fnrs-cnsltn/${docNo}`));
     } catch (error) {
       console.error("보완 완료 실패:", error);
       alert("보완 완료 처리 중 오류가 발생했습니다.");
@@ -206,8 +209,9 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
       if (!fnrsCnsltnDocNo) return;
 
       alert("신청 완료되었습니다.");
-      await queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all });
-      router.push(withListQs(`/fnrs-cnsltn/${fnrsCnsltnDocNo}`));
+      queryClient.removeQueries({ queryKey: fnrsCnsltnKeys.detail(fnrsCnsltnDocNo) });
+      await queryClient.invalidateQueries({ queryKey: fnrsCnsltnKeys.all, refetchType: "all" });
+      router.replace(withListQs(`/fnrs-cnsltn/${fnrsCnsltnDocNo}`));
     } catch (error) {
       console.error("신청 실패:", error);
       alert("신청 중 오류가 발생했습니다.");
@@ -294,7 +298,27 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
                 >
                   목록
                 </Button>
-                {!isSplmntPrgrsStts ? (
+                {isSplmntPrgrsStts ? (
+                  <>
+                    {hasCompletedDraft ? (
+                      <Button
+                        color="orange"
+                        type="button"
+                        onClick={() => setIsPwrkCnsltnDocMngOpen(true)}
+                        disabled={isSubmitting}
+                      >
+                        실무협의서 관리
+                      </Button>
+                    ) : null}
+                    <Button
+                      type="button"
+                      onClick={form.handleSubmit(onSplmntCmptn)}
+                      disabled={isSubmitting}
+                    >
+                      보완 완료
+                    </Button>
+                  </>
+                ) : isDraftStatus ? (
                   <>
                     <Button type="submit" disabled={isSubmitting}>
                       저장
@@ -320,27 +344,7 @@ function FnrsFormPage({ mode, initialData, createDefaults }: FnrsFormPageProps)
                       </>
                     )}
                   </>
-                ) : (
-                  <>
-                    {hasCompletedDraft ? (
-                      <Button
-                        color="orange"
-                        type="button"
-                        onClick={() => setIsPwrkCnsltnDocMngOpen(true)}
-                        disabled={isSubmitting}
-                      >
-                        실무협의서 관리
-                      </Button>
-                    ) : null}
-                    <Button
-                      type="button"
-                      onClick={form.handleSubmit(onSplmntCmptn)}
-                      disabled={isSubmitting}
-                    >
-                      보완 완료
-                    </Button>
-                  </>
-                )}
+                ) : null}
               </div>
             </div>
           </div>
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-detail-gate.tsx b/apps/as/src/pages/instl-sncn/ui/instl-detail-gate.tsx
index 321f92940..1eaab2614 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-detail-gate.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-detail-gate.tsx
@@ -12,7 +12,7 @@ interface InstlSncnDetailGateProps {
 
 function InstlSncnDetailGate({ id }: InstlSncnDetailGateProps) {
   const userInfo = useUserStore((state) => state.userInfo);
-  const { data, isLoading, isError } = useInstlSncnDetail(id);
+  const { data, isLoading, isFetching, isError } = useInstlSncnDetail(id);
   const shouldRedirectToEdit = canEditPbadmsDoc({
     docSeComCd: "INSTL",
     prgrsSttsComCd: data?.detDto.prgrsSttsComCd,
@@ -22,7 +22,7 @@ function InstlSncnDetailGate({ id }: InstlSncnDetailGateProps) {
 
   return (
     <PbadmsDetailGate
-      isPending={!userInfo || isLoading}
+      isPending={!userInfo || isLoading || isFetching}
       isError={isError}
       shouldRedirectToEdit={Boolean(userInfo) && shouldRedirectToEdit}
       editHref={`/instl-sncn/${id}/edit`}
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-edit-page.tsx b/apps/as/src/pages/instl-sncn/ui/instl-edit-page.tsx
index bc6737369..0758283f0 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-edit-page.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-edit-page.tsx
@@ -1,6 +1,11 @@
 "use client";
 
+import { useEffect } from "react";
+import { useRouter } from "next/navigation";
+
+import { useUserStore, withListQs } from "@/shared/lib";
 import { useInstlSncnDetail } from "@/entities/instl-sncn";
+import { canEditPbadmsDoc } from "@/widgets/pbadms-sprt";
 import { Skeleton } from "@common/components";
 
 import { InstlFormPage } from "./instl-form-page";
@@ -10,9 +15,25 @@ interface InstlEditPageProps {
 }
 
 function InstlEditPage({ id }: InstlEditPageProps) {
+  const router = useRouter();
+  const userInfo = useUserStore((state) => state.userInfo);
   const { data, isError, isLoading } = useInstlSncnDetail(id);
 
-  if (isLoading) {
+  const canEdit = canEditPbadmsDoc({
+    docSeComCd: "INSTL",
+    prgrsSttsComCd: data?.detDto.prgrsSttsComCd,
+    rgtr: data?.detDto.rgtr,
+    loggedInUserUnqId: userInfo?.userUnqId,
+  });
+
+  useEffect(() => {
+    if (isLoading || !data?.detDto || !userInfo) return;
+    if (!canEdit) {
+      router.replace(withListQs(`/instl-sncn/${id}`));
+    }
+  }, [canEdit, data?.detDto, id, isLoading, router, userInfo]);
+
+  if (isLoading || (Boolean(data?.detDto) && !canEdit && Boolean(userInfo))) {
     return (
       <div className="mt-6 space-y-6 px-4">
         <div className="space-y-2">
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-form-page.tsx b/apps/as/src/pages/instl-sncn/ui/instl-form-page.tsx
index d9335c032..6cbdba382 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-form-page.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-form-page.tsx
@@ -59,7 +59,9 @@ function InstlFormPage({ mode, initialData, createDefaults }: InstlFormPageProps
   const alert = useAlertStore((state) => state.setMessage);
   const [isSubmitting, setIsSubmitting] = useState(false);
   const isEditMode = mode === "edit";
-  const isSplmntPrgrsStts = initialData?.detDto.prgrsSttsComCd === "SL";
+  const prgrsSttsComCd = initialData?.detDto.prgrsSttsComCd ?? "";
+  const isDraftStatus = !isEditMode || prgrsSttsComCd === "SV" || prgrsSttsComCd === "";
+  const isSplmntPrgrsStts = isEditMode && prgrsSttsComCd === "SL";
 
   const { data: essentialFiles = [] } = useEsntlAtchFileMngTree({ docSeComCd: "INSTL" });
 
@@ -115,8 +117,9 @@ function InstlFormPage({ mode, initialData, createDefaults }: InstlFormPageProps
       if (!result) return;
 
       alert("보완 완료 처리되었습니다.");
-      await queryClient.invalidateQueries({ queryKey: instlSncnKeys.all });
-      router.push(withListQs(`/instl-sncn/${docNo}`));
+      queryClient.removeQueries({ queryKey: instlSncnKeys.detail(docNo) });
+      await queryClient.invalidateQueries({ queryKey: instlSncnKeys.all, refetchType: "all" });
+      router.replace(withListQs(`/instl-sncn/${docNo}`));
     } catch (error) {
       console.error("보완 완료 실패:", error);
       alert("보완 완료 처리 중 오류가 발생했습니다.");
@@ -163,8 +166,9 @@ function InstlFormPage({ mode, initialData, createDefaults }: InstlFormPageProps
       if (!instlSncnDocNo) return;
 
       alert("신청 완료되었습니다.");
-      router.push(withListQs(`/instl-sncn/${instlSncnDocNo}`));
-      queryClient.invalidateQueries({ queryKey: instlSncnKeys.all });
+      queryClient.removeQueries({ queryKey: instlSncnKeys.detail(instlSncnDocNo) });
+      await queryClient.invalidateQueries({ queryKey: instlSncnKeys.all, refetchType: "all" });
+      router.replace(withListQs(`/instl-sncn/${instlSncnDocNo}`));
     } catch (error) {
       console.error("신청 실패:", error);
       alert("신청 중 오류가 발생했습니다.");
@@ -239,7 +243,15 @@ function InstlFormPage({ mode, initialData, createDefaults }: InstlFormPageProps
                 >
                   목록
                 </Button>
-                {!isSplmntPrgrsStts ? (
+                {isSplmntPrgrsStts ? (
+                  <Button
+                    type="button"
+                    onClick={form.handleSubmit(onSplmntCmptn)}
+                    disabled={isSubmitting}
+                  >
+                    보완 완료
+                  </Button>
+                ) : isDraftStatus ? (
                   <>
                     <Button type="submit" disabled={isSubmitting}>
                       저장
@@ -265,15 +277,7 @@ function InstlFormPage({ mode, initialData, createDefaults }: InstlFormPageProps
                       </>
                     )}
                   </>
-                ) : (
-                  <Button
-                    type="button"
-                    onClick={form.handleSubmit(onSplmntCmptn)}
-                    disabled={isSubmitting}
-                  >
-                    보완 완료
-                  </Button>
-                )}
+                ) : null}
               </div>
             </div>
           </div>