diff --git a/src/controllers/08-credit-note-controller.ts b/src/controllers/08-credit-note-controller.ts
index d2fd827..6839050 100644
--- a/src/controllers/08-credit-note-controller.ts
+++ b/src/controllers/08-credit-note-controller.ts
@@ -621,4 +621,44 @@ export class CreditNoteAttachmentController extends Controller {
     await this.#checkPermission(req.user, creditNoteId);
     return await deleteFile(fileLocation.creditNote.attachment(creditNoteId, name));
   }
+
+  @Get("file-slip")
+  @Security("keycloak")
+  async listSlip(@Request() req: RequestWithUser, @Path() creditNoteId: string) {
+    await this.#checkPermission(req.user, creditNoteId);
+    return await listFile(fileLocation.creditNote.slip(creditNoteId));
+  }
+
+  @Get("file-slip/{name}")
+  @Security("keycloak")
+  async getSlip(@Path() creditNoteId: string, @Path() name: string) {
+    return await getFile(fileLocation.creditNote.slip(creditNoteId, name));
+  }
+
+  @Head("file-slip/{name}")
+  async headSlip(@Path() creditNoteId: string, @Path() name: string) {
+    return await getPresigned("head", fileLocation.creditNote.slip(creditNoteId, name));
+  }
+
+  @Put("file-slip/{name}")
+  @Security("keycloak")
+  async putSlip(
+    @Request() req: RequestWithUser,
+    @Path() creditNoteId: string,
+    @Path() name: string,
+  ) {
+    await this.#checkPermission(req.user, creditNoteId);
+    return await setFile(fileLocation.creditNote.slip(creditNoteId, name));
+  }
+
+  @Delete("filel-slip/{name}")
+  @Security("keycloak")
+  async delSlip(
+    @Request() req: RequestWithUser,
+    @Path() creditNoteId: string,
+    @Path() name: string,
+  ) {
+    await this.#checkPermission(req.user, creditNoteId);
+    return await deleteFile(fileLocation.creditNote.slip(creditNoteId, name));
+  }
 }
diff --git a/src/utils/minio.ts b/src/utils/minio.ts
index 7ec0a3b..f5f37e6 100644
--- a/src/utils/minio.ts
+++ b/src/utils/minio.ts
@@ -113,6 +113,8 @@ export const fileLocation = {
     attachment: (taskId: string, name?: string) => `task/attachment-${taskId}/${name || ""}`,
   },
   creditNote: {
-    attachment: (taskId: string, name?: string) => `credit-note/attachment-${taskId}/${name || ""}`,
+    slip: (creditNoteId: string, name?: string) => `credit-note/slip-${creditNoteId}/${name || ""}`,
+    attachment: (creditNoteId: string, name?: string) =>
+      `credit-note/attachment-${creditNoteId}/${name || ""}`,
   },
 };