diff --git a/alembic/env.py b/alembic/env.py
index 36d3731b..6f38713b 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -14,8 +14,10 @@ from private_gpt.users.models.role import Role
 from private_gpt.users.models.user_role import UserRole
 from private_gpt.users.models.subscription import Subscription
 from private_gpt.users.models.company import Company
+
 from private_gpt.users.models.document import Document
 from private_gpt.users.models.department import Department
+from private_gpt.users.models.document_department import document_department_association
 from private_gpt.users.models.audit import Audit
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
diff --git a/alembic/versions/2f490371bf6c_documents_association.py b/alembic/versions/2f490371bf6c_documents_association.py
new file mode 100644
index 00000000..2c7bbc14
--- /dev/null
+++ b/alembic/versions/2f490371bf6c_documents_association.py
@@ -0,0 +1,30 @@
+"""Documents association
+
+Revision ID: 2f490371bf6c
+Revises: f2978211af18
+Create Date: 2024-03-06 17:17:54.701414
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '2f490371bf6c'
+down_revision: Union[str, None] = 'f2978211af18'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    # op.create_unique_constraint('unique_user_role', 'user_roles', ['user_id', 'role_id', 'company_id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    # op.drop_constraint('unique_user_role', 'user_roles', type_='unique')
+    # ### end Alembic commands ###
diff --git a/alembic/versions/f2978211af18_documents_association_with_multiple_.py b/alembic/versions/f2978211af18_documents_association_with_multiple_.py
new file mode 100644
index 00000000..d6418797
--- /dev/null
+++ b/alembic/versions/f2978211af18_documents_association_with_multiple_.py
@@ -0,0 +1,41 @@
+"""Documents association with multiple departments
+
+Revision ID: f2978211af18
+Revises: caa694775d4e
+Create Date: 2024-03-06 16:43:16.492578
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'f2978211af18'
+down_revision: Union[str, None] = 'caa694775d4e'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('document_department_association',
+    sa.Column('department_id', sa.Integer(), nullable=True),
+    sa.Column('document_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['department_id'], ['departments.id'], ),
+    sa.ForeignKeyConstraint(['document_id'], ['document.id'], )
+    )
+    op.drop_constraint('document_department_id_fkey', 'document', type_='foreignkey')
+    op.drop_column('document', 'department_id')
+    # op.create_unique_constraint('unique_user_role', 'user_roles', ['user_id', 'role_id', 'company_id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    # op.drop_constraint('unique_user_role', 'user_roles', type_='unique')
+    op.add_column('document', sa.Column('department_id', sa.INTEGER(), autoincrement=False, nullable=False))
+    op.create_foreign_key('document_department_id_fkey', 'document', 'departments', ['department_id'], ['id'])
+    op.drop_table('document_department_association')
+    # ### end Alembic commands ###
diff --git a/private_gpt/components/ocr_components/table_ocr_api.py b/private_gpt/components/ocr_components/table_ocr_api.py
index 612720d1..c4057aff 100644
--- a/private_gpt/components/ocr_components/table_ocr_api.py
+++ b/private_gpt/components/ocr_components/table_ocr_api.py
@@ -1,26 +1,24 @@
 import os
-import aiofiles
 import fitz
+import aiofiles
 import requests
-from docx import Document
-from fastapi import HTTPException, status, File, UploadFile, APIRouter, Request, Security, Depends
-from sqlalchemy.orm import Session
-from private_gpt.users import models
-from private_gpt.users.api import deps
-from private_gpt.users.constants.role import Role
-from private_gpt.server.ingest.ingest_router import common_ingest_logic, IngestResponse
-from private_gpt.constants import OCR_UPLOAD
-from private_gpt.components.ocr_components.TextExtraction import ImageToTable
-from private_gpt.components.ocr_components.table_ocr import GetOCRText
 import traceback
+from docx import Document
+from sqlalchemy.orm import Session
+from fastapi import HTTPException, status, File, UploadFile, APIRouter, Request, Security, Depends
+
+from private_gpt.users.api import deps
+from private_gpt.constants import OCR_UPLOAD
+from private_gpt.users import models, schemas
+from private_gpt.users.constants.role import Role
+from private_gpt.components.ocr_components.table_ocr import GetOCRText
+from private_gpt.components.ocr_components.TextExtraction import ImageToTable
+from private_gpt.server.ingest.ingest_router import common_ingest_logic, IngestResponse
 pdf_router = APIRouter(prefix="/v1", tags=["ocr"])
 
 
 async def save_uploaded_file(file: UploadFile, upload_dir: str):
     file_path = os.path.join(upload_dir, file.filename)
-    print("The file name is: ",file.filename);
-    print("THe file path is: ", file_path)
-
     try:
         contents = await file.read()
         async with aiofiles.open(file_path, 'wb') as f:
@@ -31,11 +29,7 @@ async def save_uploaded_file(file: UploadFile, upload_dir: str):
             detail=f"There was an error uploading the file."
         )
     finally:
-        await file.close()
-
-    # with open(file_path, "wb") as f:
-    #     f.write(file.file.read())
-    
+        await file.close()    
     return file_path
 
 
@@ -44,8 +38,6 @@ async def process_images_and_generate_doc(request: Request, pdf_path: str, uploa
 
     ocr = request.state.injector.get(GetOCRText)
     img_tab = request.state.injector.get(ImageToTable)
-    # ocr = GetOCRText()
-    # img_tab = ImageToTable()
     pdf_doc = fitz.open(pdf_path)
     
     for page_index in range(len(pdf_doc)):
@@ -83,7 +75,8 @@ async def process_pdf_ocr(
         db: Session,
         file: UploadFile,
         current_user: models.User,
-        log_audit: models.Audit
+        log_audit: models.Audit,
+        departments: schemas.DepartmentList = Depends()
 ):
     UPLOAD_DIR = OCR_UPLOAD
     try:
@@ -92,7 +85,7 @@ async def process_pdf_ocr(
         print("The file path: ", pdf_path)
         ocr_doc_path = await process_images_and_generate_doc(request, pdf_path, UPLOAD_DIR)
         ingested_documents = await common_ingest_logic(
-            request=request, db=db, ocr_file=ocr_doc_path, current_user=current_user, original_file=None, log_audit=log_audit
+            request=request, db=db, ocr_file=ocr_doc_path, current_user=current_user, original_file=None, log_audit=log_audit, departments=departments
         )
         return IngestResponse(object="list", model="private-gpt", data=ingested_documents)
 
@@ -108,14 +101,15 @@ async def process_both(
     db: Session,
     file: UploadFile,
     current_user: models.User,
-    log_audit: models.Audit
+    log_audit: models.Audit,
+    departments: schemas.DepartmentList = Depends()
 ):
     UPLOAD_DIR = OCR_UPLOAD
     try:
         pdf_path = await save_uploaded_file(file, UPLOAD_DIR)
         ocr_doc_path = await process_images_and_generate_doc(request, pdf_path, UPLOAD_DIR)
         ingested_documents = await common_ingest_logic(
-            request=request, db=db, ocr_file=ocr_doc_path, current_user=current_user, original_file=pdf_path, log_audit=log_audit
+            request=request, db=db, ocr_file=ocr_doc_path, current_user=current_user, original_file=pdf_path, log_audit=log_audit, departments=departments
         )
         return IngestResponse(object="list", model="private-gpt", data=ingested_documents)
 
@@ -131,6 +125,7 @@ async def process_both(
 @pdf_router.post("/pdf_ocr")
 async def get_pdf_ocr_wrapper(
     request: Request,
+    departments: schemas.DepartmentList = Depends(),
     db: Session = Depends(deps.get_db),
     log_audit: models.Audit = Depends(deps.get_audit_logger),
     file: UploadFile = File(...),
@@ -139,12 +134,13 @@ async def get_pdf_ocr_wrapper(
         scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
     )
 ):
-    return await process_pdf_ocr(request, db, file, current_user, log_audit)
+    return await process_pdf_ocr(request, db, file, current_user, log_audit, departments)
 
 
 @pdf_router.post("/both")
 async def get_both_wrapper(
     request: Request,
+    departments: schemas.DepartmentList = Depends(),
     db: Session = Depends(deps.get_db),
     log_audit: models.Audit = Depends(deps.get_audit_logger),
     file: UploadFile = File(...),
@@ -153,4 +149,4 @@ async def get_both_wrapper(
         scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
     )
 ):
-    return await process_both(request, db, file, current_user, log_audit)
+    return await process_both(request, db, file, current_user, log_audit, departments)
diff --git a/private_gpt/server/ingest/ingest_router.py b/private_gpt/server/ingest/ingest_router.py
index 7472ac7b..eb78e46c 100644
--- a/private_gpt/server/ingest/ingest_router.py
+++ b/private_gpt/server/ingest/ingest_router.py
@@ -3,11 +3,11 @@ import logging
 import traceback
 
 from pathlib import Path
-from typing import Literal, Optional, List
+from typing import Literal
 import aiofiles
 
 from sqlalchemy.orm import Session
-from fastapi import APIRouter, Depends, HTTPException, Request, UploadFile, File, status, Security, Body
+from fastapi import APIRouter, Depends, HTTPException, Request, UploadFile, File, status, Security, Body, Form
 from fastapi.responses import JSONResponse
 from pydantic import BaseModel, Field
 
@@ -136,7 +136,7 @@ def delete_file(
         db: Session = Depends(deps.get_db),
         current_user: models.User = Security(
             deps.get_current_user,
-            scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
+            scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]],
 
         )) -> dict:
     """Delete the specified filename.
@@ -168,6 +168,9 @@ def delete_file(
                 user_id=current_user.id
             )
             crud.documents.remove(db=db, id=document.id)
+            db.execute(models.document_department_association.delete().where(
+                            models.document_department_association.c.document_id == document.id
+                        ))
         return {"status": "SUCCESS", "message": f"{filename}' deleted successfully."}
     except Exception as e:
         print(traceback.print_exc())
@@ -177,12 +180,53 @@ def delete_file(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal Server Error")
 
 
+async def create_documents(
+        db: Session, 
+        file_name: str = None, 
+        current_user: models.User = None,
+        departments: schemas.DepartmentList = Depends(),
+        log_audit: models.Audit = None,
+    ):
+    """
+    Create documents in the `Document` table and update the \n
+    `Document Department Association` table with the departments ids for the documents.
+    """
+    department_ids = departments.departments_ids
+    print("Department IDS: ", department_ids)
+    file_ingested = crud.documents.get_by_filename(
+        db, file_name=file_name)
+    if file_ingested:
+        raise HTTPException(
+            status_code=409,
+            detail="File already exists. Choose a different file.",
+        )
+    docs_in = schemas.DocumentCreate(
+        filename=file_name, uploaded_by=current_user.id
+    )
+    document = crud.documents.create(db=db, obj_in=docs_in)
+    department_ids = [int(number) for number in department_ids.split(",")]
+    for department_id in department_ids:
+        db.execute(models.document_department_association.insert().values(document_id=document.id, department_id=department_id))
+    log_audit(
+            model='Document', 
+            action='create',
+            details={
+                'detail': f"{file_name} uploaded successfully", 
+                'user': f"{current_user.fullname}",
+                'departments': f"{department_ids}"
+            }, 
+            user_id=current_user.id
+        )
+    return document
+
+
 async def common_ingest_logic(
     request: Request,
     db: Session,
     ocr_file,
     original_file: str = None,
     current_user: models.User = None,
+    departments: schemas.DepartmentList = Depends(),
     log_audit: models.Audit = None,
 ):
     service = request.state.injector.get(IngestService)
@@ -191,38 +235,18 @@ async def common_ingest_logic(
             file_name = Path(ocr_file).name
             upload_path = Path(f"{UPLOAD_DIR}/{file_name}")
 
-            file_ingested = crud.documents.get_by_filename(
-                db, file_name=file_name)
-            if file_ingested:
-                raise HTTPException(
-                    status_code=409,
-                    detail="File already exists. Choose a different file.",
-                )
-
             if file_name is None:
                 raise HTTPException(
                     status_code=400,
                     detail="No file name provided",
                 )
 
-            docs_in = schemas.DocumentCreate(
-                filename=file_name, uploaded_by=current_user.id, department_id=current_user.department_id)
-            crud.documents.create(db=db, obj_in=docs_in)
-
+            await create_documents(db, file_name, current_user, departments, log_audit)
             with open(upload_path, "wb") as f:
                 f.write(file.read())
             file.seek(0)  
             ingested_documents = service.ingest_bin_data(file_name, file)
-            
-            log_audit(
-                model='Document', 
-                action='create',
-                details={
-                    'detail': f"{file_name} uploaded successfully", 
-                    'user': f"{current_user.fullname}"
-                }, 
-                user_id=current_user.id
-            )
+        
         # Handling Original File
         if original_file:
             try:
@@ -230,23 +254,13 @@ async def common_ingest_logic(
                 file_name = Path(original_file).name
                 upload_path = Path(f"{UPLOAD_DIR}/{file_name}")
 
-                file_ingested = crud.documents.get_by_filename(
-                    db, file_name=file_name)
-                if file_ingested:
-                    raise HTTPException(
-                        status_code=status.HTTP_409_CONFLICT,
-                        detail="File already exists. Choose a different file.",
-                    )
-
                 if file_name is None:
                     raise HTTPException(
                         status_code=status.HTTP_400_BAD_REQUEST,
                         detail="No file name provided",
                     )
 
-                docs_in = schemas.DocumentCreate(
-                    filename=file_name, uploaded_by=current_user.id, department_id=current_user.department_id)
-                crud.documents.create(db=db, obj_in=docs_in)
+                await create_documents(db, file_name, current_user, departments, log_audit)
 
                 with open(upload_path, "wb") as f:
                     with open(original_file, "rb") as original_file_reader:
@@ -280,20 +294,19 @@ async def common_ingest_logic(
         )
 
 
-
 @ingest_router.post("/ingest/file", response_model=IngestResponse, tags=["Ingestion"])
 async def ingest_file(
         request: Request,
+        departments: schemas.DepartmentList = Depends(),
+        file: UploadFile = File(...),
         log_audit: models.Audit = Depends(deps.get_audit_logger),
         db: Session = Depends(deps.get_db),
-        file: UploadFile = File(...),
         current_user: models.User = Security(
             deps.get_current_user,
-            scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
+            scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]],
 )) -> IngestResponse:
     """Ingests and processes a file, storing its chunks to be used as context."""
     service = request.state.injector.get(IngestService)
-
     try:
         original_filename = file.filename
         print("Original file name is:", original_filename)
@@ -313,38 +326,14 @@ async def ingest_file(
                 detail="Internal Server Error: Unable to ingest file.",
             )
 
-        file_ingested = crud.documents.get_by_filename(db, file_name=original_filename)
-
-        if file_ingested:
-            os.remove(upload_path)
-            raise HTTPException(
-                status_code=status.HTTP_409_CONFLICT,
-                detail="File already exists. Choose a different file.",
-            )
-
-        docs_in = schemas.DocumentCreate(
-            filename=original_filename, uploaded_by=current_user.id, department_id=current_user.department_id
-        )
-        crud.documents.create(db=db, obj_in=docs_in)
-
+        await create_documents(db, original_filename, current_user, departments, log_audit)
         with open(upload_path, "rb") as f:
             ingested_documents = service.ingest_bin_data(original_filename, f)
 
-        logger.info(f"{original_filename} is uploaded by {current_user.fullname}.")
+        logger.info(f"{original_filename} is uploaded by {current_user.fullname} in {departments.departments_ids}")
         response = IngestResponse(
             object="list", model="private-gpt", data=ingested_documents
         )
-
-        log_audit(
-            model="Document",
-            action="create",
-            details={
-                "filename": f"{original_filename} uploaded successfully",
-                "user": current_user.fullname,
-            },
-            user_id=current_user.id,
-        )
-
         return response
 
     except HTTPException:
diff --git a/private_gpt/users/api/v1/routers/auth.py b/private_gpt/users/api/v1/routers/auth.py
index 53a8ae76..4b2dd376 100644
--- a/private_gpt/users/api/v1/routers/auth.py
+++ b/private_gpt/users/api/v1/routers/auth.py
@@ -98,7 +98,6 @@ def ad_user_register(
     Register a new user in the database. Company id is directly given here.
     """
     user_in = schemas.UserCreate(email=email, password=password, fullname=fullname, company_id=1, department_id=department_id)
-    print("user is: ", user_in)
     user = crud.user.create(db, obj_in=user_in)
     user_role_name = Role.GUEST["name"]
     company = crud.company.get(db, 1)
@@ -190,8 +189,12 @@ def login_access_token(
         "user": token_payload,
         "token_type": "bearer",
     }
-    log_audit(model='User', action='login',
-              details=token_payload, user_id=user.id)
+    log_audit(
+        model='User', 
+        action='login',
+        details=token_payload, 
+        user_id=user.id
+    )
     return JSONResponse(content=response_dict)
 
 
@@ -244,8 +247,12 @@ def register(
 
     existing_user = crud.user.get_by_email(db, email=email)
     if existing_user:
-        log_audit(model='User', action='creation',
-                  details={"status": '409', 'detail': "The user with this email already exists!", }, user_id=current_user.id)
+        log_audit(
+            model='User', 
+            action='creation',
+            details={"status": '409', 'detail': "The user with this email already exists!", },
+            user_id=current_user.id
+        )
         raise HTTPException(
             status_code=409,
             detail="The user with this email already exists!",
diff --git a/private_gpt/users/api/v1/routers/documents.py b/private_gpt/users/api/v1/routers/documents.py
index f068f2e6..dd849eea 100644
--- a/private_gpt/users/api/v1/routers/documents.py
+++ b/private_gpt/users/api/v1/routers/documents.py
@@ -24,7 +24,7 @@ def list_files(
     limit: int = 100,
     current_user: models.User = Security(
         deps.get_current_user,
-        scopes=[Role.SUPER_ADMIN["name"], Role.ADMIN["name"]],
+        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]], 
     )
 ):
     def get_department_name(db, id):
@@ -34,21 +34,23 @@ def list_files(
     def get_username(db, id):
         user = crud.user.get_by_id(db=db, id=id) 
         return user.fullname
+
     try:
         role = current_user.user_role.role.name if current_user.user_role else None
-        if role == "SUPER_ADMIN":
+        if (role == "SUPER_ADMIN") or (role == "OPERATOR"):
             docs = crud.documents.get_multi(db, skip=skip, limit=limit)
         else:
             docs = crud.documents.get_multi_documents(
                 db, department_id=current_user.department_id, skip=skip, limit=limit)
-            
+        
         docs = [
             schemas.Document(
                 id=doc.id,
                 filename=doc.filename,
                 uploaded_at=doc.uploaded_at,
                 uploaded_by=get_username(db, doc.uploaded_by),
-                department=get_department_name(db, doc.department_id)
+                # department=get_department_name(db, doc.department_id)
+                department="deparments"
             )
             for doc in docs
         ]
diff --git a/private_gpt/users/api/v1/routers/user_roles.py b/private_gpt/users/api/v1/routers/user_roles.py
index 7d7001c2..f0302fe0 100644
--- a/private_gpt/users/api/v1/routers/user_roles.py
+++ b/private_gpt/users/api/v1/routers/user_roles.py
@@ -20,6 +20,7 @@ def assign_user_role(
         deps.get_current_user,
         scopes=[
             Role.SUPER_ADMIN["name"],
+            Role.OPERATOR["name"],  
         ],
     ),
 ) -> Any:
@@ -49,6 +50,7 @@ def update_user_role(
         deps.get_current_user,
         scopes=[
             Role.SUPER_ADMIN["name"],
+            Role.OPERATOR["name"],  
         ],
     ),
 ) -> Any:
diff --git a/private_gpt/users/api/v1/routers/users.py b/private_gpt/users/api/v1/routers/users.py
index 46fe95d4..8f0c2163 100644
--- a/private_gpt/users/api/v1/routers/users.py
+++ b/private_gpt/users/api/v1/routers/users.py
@@ -44,7 +44,7 @@ def read_users(
     db: Session = Depends(deps.get_db),
     current_user: models.User = Security(
         deps.get_current_user,
-        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
+        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]], 
     ),
 ) -> Any:
     """                                 
@@ -219,7 +219,7 @@ def read_user_by_id(
     user_id: int,
     current_user: models.User = Security(
         deps.get_current_user,
-        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
+        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]], 
     ),
     db: Session = Depends(deps.get_db),
 ) -> Any:
@@ -299,7 +299,7 @@ def admin_change_password(
     new_password: str = Body(..., embed=True),
     current_user: models.User = Security(
         deps.get_current_user,
-        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"]],
+        scopes=[Role.ADMIN["name"], Role.SUPER_ADMIN["name"], Role.OPERATOR["name"]], 
     ),
 ) -> Any:
     """
@@ -402,7 +402,7 @@ def admin_update_user(
                 )
 
         role = crud.role.get_by_name(db, name=user_update.role)
-        if role.id == 1:
+        if (role.id == 1) or (role.id == 4) :
             raise HTTPException(
                 status_code=status.HTTP_404_NOT_FOUND,
                 detail=f"Cannot create SUPER ADMIN!",
diff --git a/private_gpt/users/constants/role.py b/private_gpt/users/constants/role.py
index 387c8385..0da43b45 100644
--- a/private_gpt/users/constants/role.py
+++ b/private_gpt/users/constants/role.py
@@ -5,13 +5,18 @@ class Role:
 
     GUEST = {
         "name": "GUEST",
-        "description": "A Guest Account",
+        "description": "General users",
     }
     ADMIN = {
         "name": "ADMIN",
-        "description": "Admin of Application Ecosystem",
+        "description": "Admin of Department Ecosystem",
     }
     SUPER_ADMIN = {
         "name": "SUPER_ADMIN",
         "description": "Super Administrator of Application Ecosystem",
-    }
\ No newline at end of file
+    }
+    OPERATOR = {
+        "name": "OPERATOR",
+        "description": "Document Administrator",
+    }
+    
\ No newline at end of file
diff --git a/private_gpt/users/models/__init__.py b/private_gpt/users/models/__init__.py
index 9063335e..7dfd1e98 100644
--- a/private_gpt/users/models/__init__.py
+++ b/private_gpt/users/models/__init__.py
@@ -5,4 +5,5 @@ from .role import Role
 from .document import Document
 from .subscription import Subscription
 from .department import Department
-from .audit import Audit
\ No newline at end of file
+from .audit import Audit
+from .document_department import document_department_association
\ No newline at end of file
diff --git a/private_gpt/users/models/department.py b/private_gpt/users/models/department.py
index 02bc4184..038cddef 100644
--- a/private_gpt/users/models/department.py
+++ b/private_gpt/users/models/department.py
@@ -1,8 +1,10 @@
 from sqlalchemy import ForeignKey, event
 from sqlalchemy.orm import relationship, Session
-from sqlalchemy import Column, Integer, String
+from sqlalchemy import Column, Integer, String, Table
 
 from private_gpt.users.db.base_class import Base
+from private_gpt.users.models.document_department import document_department_association
+
 
 class Department(Base):
     """Models a Department table."""
@@ -16,7 +18,8 @@ class Department(Base):
     company = relationship("Company", back_populates="departments")
 
     users = relationship("User", back_populates="department")
-    documents = relationship("Document", back_populates="department")
+
+    documents = relationship("Document", secondary=document_department_association, back_populates="departments")
 
     total_users = Column(Integer, default=0)
     total_documents = Column(Integer, default=0)
diff --git a/private_gpt/users/models/document.py b/private_gpt/users/models/document.py
index 66143303..8d20c9c3 100644
--- a/private_gpt/users/models/document.py
+++ b/private_gpt/users/models/document.py
@@ -1,16 +1,17 @@
-from private_gpt.users.db.base_class import Base
-
 from datetime import datetime
 from sqlalchemy import event, select, func, update
 from sqlalchemy.orm import relationship
-from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
+from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, Table
 from private_gpt.users.models.department import Department
+from private_gpt.users.db.base_class import Base
+
+from private_gpt.users.models.document_department import document_department_association
 
 
 class Document(Base):
     """Models a document table"""
-    __tablename__ = "document"  
-    
+    __tablename__ = "document"
+
     id = Column(Integer, primary_key=True, index=True)
     filename = Column(String(225), nullable=False, unique=True)
     uploaded_by = Column(
@@ -25,30 +26,31 @@ class Document(Base):
     )
     uploaded_by_user = relationship(
         "User", back_populates="uploaded_documents")
-    
-    department_id = Column(Integer, ForeignKey(
-        "departments.id"), nullable=False)
-
-    department = relationship("Department", back_populates="documents")
 
+    # Use document_department_association as the secondary for the relationship
+    departments = relationship(
+        "Department",
+        secondary=document_department_association,
+        back_populates="documents"
+    )
 
+# Event listeners for updating total_documents in Department
 @event.listens_for(Document, 'after_insert')
 @event.listens_for(Document, 'after_delete')
 def update_total_documents(mapper, connection, target):
-    department_id = target.department_id
-    print(f"Department ID is: {department_id}")
-
-    # Use SQLAlchemy's ORM constructs for better readability and maintainability:
     total_documents = connection.execute(
-        select([func.count()]).select_from(Document).where(
-            Document.department_id == department_id)
+        select([func.count()]).select_from(document_department_association).where(
+            document_department_association.c.document_id == target.id)
     ).scalar()
 
-    print(f"Total documents is: {total_documents}")
-    print("Updating total documents")
+    department_ids = [assoc.department_id for assoc in connection.execute(
+        select([document_department_association.c.department_id]).where(
+            document_department_association.c.document_id == target.id)
+    )]
 
-    # Use the correct update construct for SQLAlchemy:
-    connection.execute(
-        update(Department).values(total_documents=total_documents).where(
-            Department.id == department_id)
-    )
+    # Update total_documents for each associated department
+    for department_id in department_ids:
+        connection.execute(
+            update(Department).values(total_documents=total_documents).where(
+                Department.id == department_id)
+        )
diff --git a/private_gpt/users/models/document_department.py b/private_gpt/users/models/document_department.py
new file mode 100644
index 00000000..2c421e7a
--- /dev/null
+++ b/private_gpt/users/models/document_department.py
@@ -0,0 +1,10 @@
+from private_gpt.users.db.base_class import Base
+from sqlalchemy import Column, Integer, String, Table, ForeignKey
+
+document_department_association = Table(
+    "document_department_association",
+    Base.metadata,
+    Column("department_id", Integer, ForeignKey("departments.id")),
+    Column("document_id", Integer, ForeignKey("document.id")),
+    extend_existing=True
+)
diff --git a/private_gpt/users/schemas/__init__.py b/private_gpt/users/schemas/__init__.py
index 7293c553..389d23ec 100644
--- a/private_gpt/users/schemas/__init__.py
+++ b/private_gpt/users/schemas/__init__.py
@@ -5,5 +5,5 @@ from .user_role import UserRole, UserRoleCreate, UserRoleInDB, UserRoleUpdate
 from .subscription import Subscription, SubscriptionBase, SubscriptionCreate, SubscriptionUpdate
 from .company import Company, CompanyBase, CompanyCreate, CompanyUpdate
 from .documents import Document, DocumentCreate, DocumentsBase, DocumentUpdate, DocumentList
-from .department import Department, DepartmentCreate, DepartmentUpdate, DepartmentAdminCreate, DepartmentDelete
+from .department import Department, DepartmentCreate, DepartmentUpdate, DepartmentAdminCreate, DepartmentDelete, DepartmentList
 from .audit import AuditBase, AuditCreate, AuditUpdate, Audit, GetAudit
\ No newline at end of file
diff --git a/private_gpt/users/schemas/department.py b/private_gpt/users/schemas/department.py
index baf54d2d..80f6e870 100644
--- a/private_gpt/users/schemas/department.py
+++ b/private_gpt/users/schemas/department.py
@@ -1,5 +1,6 @@
 from typing import List, Optional
-from pydantic import BaseModel
+from pydantic import BaseModel, EmailStr
+from fastapi import Form
 
 
 class DepartmentBase(BaseModel):
@@ -13,11 +14,11 @@ class DepartmentCreate(DepartmentBase):
 class DepartmentUpdate(DepartmentBase):
     id: int
 
+
 class DepartmentDelete(BaseModel):
     id: int
 
 
-
 class DepartmentInDB(DepartmentBase):
     id: int
     company_id: int
@@ -27,16 +28,28 @@ class DepartmentInDB(DepartmentBase):
     class Config:
         orm_mode = True
 
+
 class DepartmentAdminCreate(DepartmentBase):
     company_id: int
 
     class Config:
         orm_mode = True
 
-class Department(BaseModel):
+
+class DepartmentList(DepartmentBase):
     id: int
-    name: str
     total_users: Optional[int]
     total_documents: Optional[int]
-    
 
+
+class Department(DepartmentBase):
+    id: int
+    total_users: Optional[int]
+    total_documents: Optional[int]
+
+    class Config:
+        orm_mode = True
+
+
+class DepartmentList(BaseModel):
+    departments_ids: str = Form(...)
\ No newline at end of file
diff --git a/private_gpt/users/schemas/documents.py b/private_gpt/users/schemas/documents.py
index d1cf1284..bf2ee068 100644
--- a/private_gpt/users/schemas/documents.py
+++ b/private_gpt/users/schemas/documents.py
@@ -1,31 +1,33 @@
 from pydantic import BaseModel
 from datetime import datetime
-from typing import Optional
-
+from typing import List
 
 class DocumentsBase(BaseModel):
     filename: str
 
+class DepartmentList(BaseModel):
+    id: int
+    name: str
 
 class DocumentCreate(DocumentsBase):
     uploaded_by: int
-    department_id: int
-
 
 class DocumentUpdate(DocumentsBase):
     pass
 
+
 class DocumentList(DocumentsBase):
     id: int
     uploaded_by: int
     uploaded_at: datetime
-
+    departments: List[DepartmentList] = []
 
 class Document(DocumentsBase):
     id: int
-    uploaded_by: str
+    filename: str
+    uploaded_by: int
     uploaded_at: datetime
-    department: str
+    departments: List[DepartmentList] = []
 
     class Config:
         orm_mode = True