diff --git a/rsconcept/frontend/src/context/LibraryContext.tsx b/rsconcept/frontend/src/context/LibraryContext.tsx
index 9c34a1c9..47b53d4b 100644
--- a/rsconcept/frontend/src/context/LibraryContext.tsx
+++ b/rsconcept/frontend/src/context/LibraryContext.tsx
@@ -95,7 +95,7 @@ export const LibraryState = ({ children }: LibraryStateProps) => {
         return;
       }
       setError(undefined);
-      getRSFormDetails(String(templateID), {
+      getRSFormDetails(String(templateID), '', {
         showError: true,
         setLoading: setProcessing,
         onError: setError,
diff --git a/rsconcept/frontend/src/context/RSFormContext.tsx b/rsconcept/frontend/src/context/RSFormContext.tsx
index 9745213c..45c3cd3f 100644
--- a/rsconcept/frontend/src/context/RSFormContext.tsx
+++ b/rsconcept/frontend/src/context/RSFormContext.tsx
@@ -4,7 +4,7 @@ import { createContext, useCallback, useContext, useMemo, useState } from 'react
 
 import { type ErrorData } from '@/components/InfoError';
 import useRSFormDetails from '@/hooks/useRSFormDetails';
-import { ILibraryItem } from '@/models/library';
+import { ILibraryItem, IVersionData } from '@/models/library';
 import { ILibraryUpdateData } from '@/models/library';
 import {
   IConstituentaList,
@@ -20,6 +20,7 @@ import {
 import {
   type DataCallback,
   deleteUnsubscribe,
+  deleteVersion,
   getTRSFile,
   patchConstituenta,
   patchDeleteConstituenta,
@@ -29,7 +30,9 @@ import {
   patchResetAliases,
   patchSubstituteConstituenta,
   patchUploadTRS,
+  patchVersion,
   postClaimLibraryItem,
+  postCreateVersion,
   postNewConstituenta,
   postSubscribe
 } from '@/utils/backendAPI';
@@ -39,11 +42,13 @@ import { useLibrary } from './LibraryContext';
 
 interface IRSFormContext {
   schema?: IRSForm;
+  schemaID: string;
 
   error: ErrorData;
   loading: boolean;
   processing: boolean;
 
+  isArchive: boolean;
   isOwned: boolean;
   isClaimable: boolean;
   isSubscribed: boolean;
@@ -63,6 +68,10 @@ interface IRSFormContext {
   cstUpdate: (data: ICstUpdateData, callback?: DataCallback<IConstituentaMeta>) => void;
   cstDelete: (data: IConstituentaList, callback?: () => void) => void;
   cstMoveTo: (data: ICstMovetoData, callback?: () => void) => void;
+
+  versionCreate: (data: IVersionData, callback?: () => void) => void;
+  versionUpdate: (target: number, data: IVersionData, callback?: () => void) => void;
+  versionDelete: (target: number, callback?: () => void) => void;
 }
 
 const RSFormContext = createContext<IRSFormContext | null>(null);
@@ -76,13 +85,24 @@ export const useRSForm = () => {
 
 interface RSFormStateProps {
   schemaID: string;
+  versionID?: string;
   children: React.ReactNode;
 }
 
-export const RSFormState = ({ schemaID, children }: RSFormStateProps) => {
+export const RSFormState = ({ schemaID, versionID, children }: RSFormStateProps) => {
   const library = useLibrary();
   const { user } = useAuth();
-  const { schema, reload, error, setError, setSchema, loading } = useRSFormDetails({ target: schemaID });
+  const {
+    schema, // prettier: split lines
+    reload,
+    error,
+    setError,
+    setSchema,
+    loading
+  } = useRSFormDetails({
+    target: schemaID,
+    version: versionID
+  });
   const [processing, setProcessing] = useState(false);
 
   const [toggleTracking, setToggleTracking] = useState(false);
@@ -91,6 +111,8 @@ export const RSFormState = ({ schemaID, children }: RSFormStateProps) => {
     return user?.id === schema?.owner || false;
   }, [user, schema?.owner]);
 
+  const isArchive = useMemo(() => !!versionID, [versionID]);
+
   const isClaimable = useMemo(() => {
     return (user?.id !== schema?.owner && schema?.is_common && !schema?.is_canonical) ?? false;
   }, [user, schema?.owner, schema?.is_common, schema?.is_canonical]);
@@ -359,16 +381,79 @@ export const RSFormState = ({ schemaID, children }: RSFormStateProps) => {
     [schemaID, setError, library, setSchema]
   );
 
+  const versionCreate = useCallback(
+    (data: IVersionData, callback?: () => void) => {
+      setError(undefined);
+      postCreateVersion(schemaID, {
+        data: data,
+        showError: true,
+        setLoading: setProcessing,
+        onError: setError,
+        onSuccess: newData => {
+          setSchema(newData.schema);
+          library.localUpdateTimestamp(Number(schemaID));
+          if (callback) callback();
+        }
+      });
+    },
+    [schemaID, setError, library, setSchema]
+  );
+
+  const versionUpdate = useCallback(
+    (target: number, data: IVersionData, callback?: () => void) => {
+      setError(undefined);
+      patchVersion(String(target), {
+        data: data,
+        showError: true,
+        setLoading: setProcessing,
+        onError: setError,
+        onSuccess: () => {
+          schema!.versions = schema!.versions.map(prev => {
+            if (prev.id === target) {
+              prev.description = data.description;
+              prev.version = data.version;
+              return prev;
+            } else {
+              return prev;
+            }
+          });
+          setSchema(schema);
+          if (callback) callback();
+        }
+      });
+    },
+    [setError, schema, setSchema]
+  );
+
+  const versionDelete = useCallback(
+    (target: number, callback?: () => void) => {
+      setError(undefined);
+      deleteVersion(String(target), {
+        showError: true,
+        setLoading: setProcessing,
+        onError: setError,
+        onSuccess: () => {
+          schema!.versions = schema!.versions.filter(prev => prev.id !== target);
+          setSchema(schema);
+          if (callback) callback();
+        }
+      });
+    },
+    [setError, schema, setSchema]
+  );
+
   return (
     <RSFormContext.Provider
       value={{
         schema,
+        schemaID,
         error,
         loading,
         processing,
         isOwned,
         isClaimable,
         isSubscribed,
+        isArchive,
         update,
         download,
         upload,
@@ -381,7 +466,10 @@ export const RSFormState = ({ schemaID, children }: RSFormStateProps) => {
         cstRename,
         cstSubstitute,
         cstDelete,
-        cstMoveTo
+        cstMoveTo,
+        versionCreate,
+        versionUpdate,
+        versionDelete
       }}
     >
       {children}
diff --git a/rsconcept/frontend/src/hooks/useRSFormDetails.ts b/rsconcept/frontend/src/hooks/useRSFormDetails.ts
index 12d94cfc..b124fa42 100644
--- a/rsconcept/frontend/src/hooks/useRSFormDetails.ts
+++ b/rsconcept/frontend/src/hooks/useRSFormDetails.ts
@@ -7,7 +7,7 @@ import { IRSForm, IRSFormData } from '@/models/rsform';
 import { loadRSFormData } from '@/models/rsformAPI';
 import { getRSFormDetails } from '@/utils/backendAPI';
 
-function useRSFormDetails({ target }: { target?: string }) {
+function useRSFormDetails({ target, version }: { target?: string; version?: string }) {
   const [schema, setInnerSchema] = useState<IRSForm | undefined>(undefined);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState<ErrorData>(undefined);
@@ -27,7 +27,7 @@ function useRSFormDetails({ target }: { target?: string }) {
       if (!target) {
         return;
       }
-      getRSFormDetails(target, {
+      getRSFormDetails(target, version ?? '', {
         showError: true,
         setLoading: setCustomLoading ?? setLoading,
         onError: error => {
@@ -40,7 +40,7 @@ function useRSFormDetails({ target }: { target?: string }) {
         }
       });
     },
-    [target]
+    [target, version]
   );
 
   useEffect(() => {
diff --git a/rsconcept/frontend/src/models/library.ts b/rsconcept/frontend/src/models/library.ts
index c393bbcb..7646ac2d 100644
--- a/rsconcept/frontend/src/models/library.ts
+++ b/rsconcept/frontend/src/models/library.ts
@@ -96,6 +96,11 @@ export interface IVersionInfo {
   time_create: string;
 }
 
+/**
+ * Represents user data, intended to create or update version metadata in persistent storage.
+ */
+export interface IVersionData extends Omit<IVersionInfo, 'id' | 'time_create'> {}
+
 /**
  * Represents library item common data typical for all item types.
  */
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index 33c00ecb..d5c381f6 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -205,3 +205,11 @@ export interface IRSFormUploadData {
   file: File;
   fileName: string;
 }
+
+/**
+ * Represents data response when creating {@link IVersionInfo}.
+ */
+export interface IVersionCreatedResponse {
+  version: number;
+  schema: IRSFormData;
+}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
index 01c56cfb..87553b44 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSEditContext.tsx
@@ -7,6 +7,7 @@ import { createContext, useCallback, useContext, useLayoutEffect, useMemo, useSt
 import { toast } from 'react-toastify';
 
 import InfoError, { ErrorData } from '@/components/InfoError';
+import Divider from '@/components/ui/Divider';
 import Loader from '@/components/ui/Loader';
 import TextURL from '@/components/ui/TextURL';
 import { useAccessMode } from '@/context/AccessModeContext';
@@ -439,19 +440,31 @@ export const RSEditState = ({
       ) : null}
 
       {model.loading ? <Loader /> : null}
-      {model.error ? <ProcessError error={model.error} /> : null}
+      {model.error ? <ProcessError error={model.error} isArchive={model.isArchive} schemaID={model.schemaID} /> : null}
       {model.schema && !model.loading ? children : null}
     </RSEditContext.Provider>
   );
 };
 
 // ====== Internals =========
-function ProcessError({ error }: { error: ErrorData }): React.ReactElement {
+function ProcessError({
+  error,
+  isArchive,
+  schemaID
+}: {
+  error: ErrorData;
+  isArchive: boolean;
+  schemaID: string;
+}): React.ReactElement {
   if (axios.isAxiosError(error) && error.response && error.response.status === 404) {
     return (
       <div className='p-2 text-center'>
-        <p>Схема с указанным идентификатором отсутствует на портале.</p>
-        <TextURL text='Перейти в Библиотеку' href='/library' />
+        <p>{`Схема с указанным идентификатором ${isArchive ? 'и версией ' : ''}отсутствует`}</p>
+        <div className='flex justify-center'>
+          <TextURL text='Библиотека' href='/library' />
+          {isArchive ? <Divider vertical margins='mx-3' /> : null}
+          {isArchive ? <TextURL text='Актуальная версия' href={`/rsforms/${schemaID}`} /> : null}
+        </div>
       </div>
     );
   } else {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSFormPage.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSFormPage.tsx
index 6a52fc20..a386ffc7 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSFormPage.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSFormPage.tsx
@@ -4,14 +4,17 @@ import { useParams } from 'react-router-dom';
 
 import { AccessModeState } from '@/context/AccessModeContext';
 import { RSFormState } from '@/context/RSFormContext';
+import useQueryStrings from '@/hooks/useQueryStrings';
 
 import RSTabs from './RSTabs';
 
 function RSFormPage() {
   const params = useParams();
+  const query = useQueryStrings();
+  const version = query.get('v') ?? undefined;
   return (
     <AccessModeState>
-      <RSFormState schemaID={params.id ?? ''}>
+      <RSFormState schemaID={params.id ?? ''} versionID={version}>
         <RSTabs />
       </RSFormState>
     </AccessModeState>
diff --git a/rsconcept/frontend/src/utils/backendAPI.ts b/rsconcept/frontend/src/utils/backendAPI.ts
index 61119bca..1ad78a5e 100644
--- a/rsconcept/frontend/src/utils/backendAPI.ts
+++ b/rsconcept/frontend/src/utils/backendAPI.ts
@@ -19,7 +19,8 @@ import {
   IUserProfile,
   IUserSignupData,
   IUserUpdateData,
-  IUserUpdatePassword
+  IUserUpdatePassword,
+  IVersionData
 } from '@/models/library';
 import {
   IConstituentaList,
@@ -32,7 +33,8 @@ import {
   ICstUpdateData,
   IRSFormCreateData,
   IRSFormData,
-  IRSFormUploadData
+  IRSFormUploadData,
+  IVersionCreatedResponse
 } from '@/models/rsform';
 import { IExpressionParse, IRSExpression } from '@/models/rslang';
 
@@ -215,12 +217,20 @@ export function postCloneLibraryItem(target: string, request: FrontExchange<IRSF
   });
 }
 
-export function getRSFormDetails(target: string, request: FrontPull<IRSFormData>) {
-  AxiosGet({
-    title: `RSForm details for id=${target}`,
-    endpoint: `/api/rsforms/${target}/details`,
-    request: request
-  });
+export function getRSFormDetails(target: string, version: string, request: FrontPull<IRSFormData>) {
+  if (!version) {
+    AxiosGet({
+      title: `RSForm details for id=${target}`,
+      endpoint: `/api/rsforms/${target}/details`,
+      request: request
+    });
+  } else {
+    AxiosGet({
+      title: `RSForm details for id=${target}`,
+      endpoint: `/api/rsforms/${target}/versions/{version}`,
+      request: request
+    });
+  }
 }
 
 export function patchLibraryItem(target: string, request: FrontExchange<ILibraryUpdateData, ILibraryItem>) {
@@ -383,6 +393,30 @@ export function postGenerateLexeme(request: FrontExchange<ITextRequest, ILexemeD
   });
 }
 
+export function postCreateVersion(target: string, request: FrontExchange<IVersionData, IVersionCreatedResponse>) {
+  AxiosPost({
+    title: `Create version for RSForm id=${target}`,
+    endpoint: `/api/rsforms/${target}/versions/create`,
+    request: request
+  });
+}
+
+export function patchVersion(target: string, request: FrontPush<IVersionData>) {
+  AxiosPatch({
+    title: `Version id=${target}`,
+    endpoint: `/api/versions/${target}`,
+    request: request
+  });
+}
+
+export function deleteVersion(target: string, request: FrontAction) {
+  AxiosDelete({
+    title: `Version id=${target}`,
+    endpoint: `/api/versions/${target}`,
+    request: request
+  });
+}
+
 // ============ Helper functions =============
 function AxiosGet<ResponseData>({ endpoint, request, title, options }: IAxiosRequest<undefined, ResponseData>) {
   console.log(`REQUEST: [[${title}]]`);