diff --git a/ereuse_devicehub/resources/action/models.py b/ereuse_devicehub/resources/action/models.py
index 26ed13d4..fe23d2e2 100644
--- a/ereuse_devicehub/resources/action/models.py
+++ b/ereuse_devicehub/resources/action/models.py
@@ -296,9 +296,10 @@ class ActionDevice(db.Model):
                        primary_key=True)
 
 
-class ActionWithMultipleDocuments(Action):
+class ActionWithMultipleDocuments(ActionWithMultipleDevices):
+    # pass
     documents = relationship(Document,
-                           backref=backref('actions_multiple', lazy=True, **_sorted_actions),
+                           backref=backref('actions_multiple_docs', lazy=True, **_sorted_actions),
                            secondary=lambda: ActionDocument.__table__,
                            order_by=lambda: Document.id,
                            collection_class=OrderedSet)
@@ -1448,7 +1449,7 @@ class CancelReservation(Organize):
     """The act of cancelling a reservation."""
 
 
-class Confirm(JoinedTableMixin, ActionWithMultipleDevices):
+class Confirm(JoinedTableMixin, ActionWithMultipleDocuments):
     """Users confirm the one action trade this confirmation it's link to trade
        and the devices that confirm
     """
@@ -1488,7 +1489,7 @@ class ConfirmRevoke(Confirm):
         return '<{0.t} {0.id} accepted by {0.user}>'.format(self)
 
 
-class Trade(JoinedTableMixin, ActionWithMultipleDevices, ActionWithMultipleDocuments):
+class Trade(JoinedTableMixin, ActionWithMultipleDocuments):
     """Trade actions log the political exchange of devices between users.
     Every time a trade action is performed, the old user looses its
     political possession, for example ownership, in favor of another
diff --git a/ereuse_devicehub/resources/action/schemas.py b/ereuse_devicehub/resources/action/schemas.py
index 9808d3ce..a8c7df85 100644
--- a/ereuse_devicehub/resources/action/schemas.py
+++ b/ereuse_devicehub/resources/action/schemas.py
@@ -499,7 +499,6 @@ class ConfirmRevoke(ActionWithMultipleDevices):
 
 class Trade(ActionWithMultipleDevices):
     __doc__ = m.Trade.__doc__
-    document_id = SanitizedStr(validate=Length(max=STR_SIZE), data_key='documentID', required=False)
     date = DateTime(data_key='date', required=False)
     price = Float(required=False, data_key='price')
     user_to_id = SanitizedStr(validate=Length(max=STR_SIZE), data_key='userTo', missing='',
diff --git a/ereuse_devicehub/resources/tradedocument/__init__.py b/ereuse_devicehub/resources/tradedocument/__init__.py
new file mode 100644
index 00000000..0e75f6e8
--- /dev/null
+++ b/ereuse_devicehub/resources/tradedocument/__init__.py
@@ -0,0 +1,10 @@
+from teal.resource import Converters, Resource
+
+from ereuse_devicehub.resources.tradedocument import schemas
+from ereuse_devicehub.resources.tradedocument.views import DocumentView 
+
+class TradeDocumentDef(Resource):
+    SCHEMA = schemas.Document
+    VIEW = DocumentView
+    AUTH = True
+    ID_CONVERTER = Converters.string
diff --git a/ereuse_devicehub/resources/tradedocument/models.py b/ereuse_devicehub/resources/tradedocument/models.py
new file mode 100644
index 00000000..85db108b
--- /dev/null
+++ b/ereuse_devicehub/resources/tradedocument/models.py
@@ -0,0 +1,115 @@
+import os
+
+from itertools import chain
+from citext import CIText
+from flask import current_app as app, g
+
+from sqlalchemy.dialects.postgresql import UUID
+from ereuse_devicehub.db import db
+from ereuse_devicehub.resources.user.models import User
+from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing, listener_reset_field_updated_in_actual_time
+
+from sqlalchemy import BigInteger, Boolean, Column, Float, ForeignKey, Integer, \
+    Sequence, SmallInteger, Unicode, inspect, text
+from sqlalchemy.ext.declarative import declared_attr
+from sqlalchemy.orm import ColumnProperty, backref, relationship, validates
+from sqlalchemy.util import OrderedSet
+from sqlalchemy_utils import ColorType
+from teal.db import CASCADE_DEL, POLYMORPHIC_ID, POLYMORPHIC_ON, \
+    check_lower, check_range
+from teal.resource import url_for_resource
+
+from ereuse_devicehub.resources.utils import hashcode
+from ereuse_devicehub.resources.enums import BatteryTechnology, CameraFacing, ComputerChassis, \
+    DataStorageInterface, DisplayTech, PrinterTechnology, RamFormat, RamInterface, Severity, TransferState
+
+
+class Document(Thing):
+    """This represent a document involved in a trade action.
+    Every document is added to a lot.
+    When this lot is converted in one trade, the action trade is added to the document
+    and the action trade need to be confirmed for the both users of the trade.
+    This confirmation can be revoked and this revoked need to be ConfirmRevoke for have
+    some efect.
+    
+    This documents can be invoices or list of devices or certificates of erasure of 
+    one disk.
+
+    Like a Devices one document have actions and is possible add or delete of one lot
+    if this lot don't have a trade
+
+    The document is saved in the database
+
+    """
+
+    id = Column(BigInteger, Sequence('device_seq'), primary_key=True)
+    id.comment = """The identifier of the device for this database. Used only
+    internally for software; users should not use this.
+    """
+    # type = Column(Unicode(STR_SM_SIZE), nullable=False)
+    date = Column(db.DateTime)
+    date.comment = """The date of document, some documents need to have one date
+    """
+    id_document = Column(CIText())
+    id_document.comment = """The id of one document like invoice so they can be linked."""
+    description = Column(db.CIText())
+    description.comment = """A description of document."""
+    owner_id = db.Column(UUID(as_uuid=True),
+                         db.ForeignKey(User.id),
+                         nullable=False,
+                         default=lambda: g.user.id)
+    owner = db.relationship(User, primaryjoin=owner_id == User.id)
+    file_name = Column(db.CIText())
+    file_name.comment = """This is the name of the file when user up the document."""
+    file_name_disk = Column(db.CIText())
+    file_name_disk.comment = """This is the name of the file as devicehub save in server."""
+
+    __table_args__ = (
+        db.Index('document_id', id, postgresql_using='hash'),
+        # db.Index('type_doc', type, postgresql_using='hash')
+    )
+
+    @property
+    def actions(self) -> list:
+        """All the actions where the device participated, including:
+
+        1. Actions performed directly to the device.
+        2. Actions performed to a component.
+        3. Actions performed to a parent device.
+
+        Actions are returned by descending ``created`` time.
+        """
+        return sorted(self.actions_multiple_docs, key=lambda x: x.created)
+
+    @property
+    def path_to_file(self) -> str:
+        """The path of one file is defined by the owner, file_name and created time.
+
+        """
+        base = app.config['PATH_DOCUMENTS_STORAGE']
+        file_name = "{0.date}-{0.filename}".format(self)
+        base = os.path.join(base, g.user.email, file_name)
+        return sorted(self.actions_multiple_docs, key=lambda x: x.created)
+
+    def last_action_of(self, *types):
+        """Gets the last action of the given types.
+
+        :raise LookupError: Device has not an action of the given type.
+        """
+        try:
+            # noinspection PyTypeHints
+            actions = self.actions
+            actions.sort(key=lambda x: x.created)
+            return next(e for e in reversed(actions) if isinstance(e, types))
+        except StopIteration:
+            raise LookupError('{!r} does not contain actions of types {}.'.format(self, types))
+
+    def _warning_actions(self, actions):
+        return sorted(ev for ev in actions if ev.severity >= Severity.Warning)
+
+
+    def __lt__(self, other):
+        return self.id < other.id
+
+    def __str__(self) -> str:
+        return '{0.file_name}'.format(self)
diff --git a/ereuse_devicehub/resources/tradedocument/schemas.py b/ereuse_devicehub/resources/tradedocument/schemas.py
new file mode 100644
index 00000000..b71b85d7
--- /dev/null
+++ b/ereuse_devicehub/resources/tradedocument/schemas.py
@@ -0,0 +1,14 @@
+from marshmallow.fields import DateTime, Integer
+from teal.marshmallow import SanitizedStr
+
+from ereuse_devicehub.resources.schemas import Thing
+from ereuse_devicehub.resources.tradedocument import models as m
+
+
+class Document(Thing):
+    __doc__ = m.Document.__doc__
+    id = Integer(description=m.Document.id.comment, dump_only=True)
+    date = DateTime(required=False, description=m.Document.date.comment)
+    id_document = SanitizedStr(default='', description=m.Document.id_document.comment)
+    description = SanitizedStr(default='', description=m.Document.description.comment)
+    file_name = SanitizedStr(default='', description=m.Document.file_name.comment)
diff --git a/ereuse_devicehub/resources/tradedocument/views.py b/ereuse_devicehub/resources/tradedocument/views.py
new file mode 100644
index 00000000..cc30e228
--- /dev/null
+++ b/ereuse_devicehub/resources/tradedocument/views.py
@@ -0,0 +1,35 @@
+
+import marshmallow
+from flask import g, current_app as app, render_template, request, Response
+from flask.json import jsonify
+from flask_sqlalchemy import Pagination
+from marshmallow import fields, fields as f, validate as v, Schema as MarshmallowSchema
+from teal.resource import View
+
+from ereuse_devicehub import auth
+from ereuse_devicehub.db import db
+from ereuse_devicehub.query import SearchQueryParser, things_response
+from ereuse_devicehub.resources.tradedocument.models import Document
+
+class DocumentView(View):
+
+    # @auth.Auth.requires_auth
+    def one(self, id: str):
+        document = Document.query.filter_by(id=id).first()
+        return self.schema.jsonify(document)
+
+    # @auth.Auth.requires_auth
+    def post(self):
+        """Posts an action."""
+        json = request.get_json(validate=False)
+        resource_def = app.resources[json['type']]
+
+        a = resource_def.schema.load(json)
+        Model = db.Model._decl_class_registry.data[json['type']]()
+        action = Model(**a)
+        db.session.add(action)
+        db.session().final_flush()
+        ret = self.schema.jsonify(action)
+        ret.status_code = 201
+        db.session.commit()
+        return ret
diff --git a/tests/test_trade.py b/tests/test_trade.py
index 98d98ac7..587dfb23 100644
--- a/tests/test_trade.py
+++ b/tests/test_trade.py
@@ -56,7 +56,6 @@ def test_offer_without_to(user: UserClient):
         'userFrom': user.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': False,
         'code': 'MAX'
@@ -84,7 +83,6 @@ def test_offer_without_to(user: UserClient):
         'userFrom': user.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': False,
         'code': 'MAX'
@@ -107,7 +105,6 @@ def test_offer_without_to(user: UserClient):
         'userFrom': user.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot2.id,
         'confirm': False,
         'code': 'MAX'
@@ -138,7 +135,6 @@ def test_offer_without_from(user: UserClient, user2: UserClient):
         'userTo': user2.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot.id,
         'confirm': False,
         'code': 'MAX'
@@ -183,7 +179,6 @@ def test_offer_without_users(user: UserClient):
         'devices': [device.id],
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot.id,
         'confirm': False,
         'code': 'MAX'
@@ -217,7 +212,6 @@ def test_offer(user: UserClient):
         'userTo': user2.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot.id,
         'confirm': True,
     }
@@ -244,7 +238,6 @@ def test_offer_without_devices(user: UserClient):
         'userTo': user2.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': True,
     }
@@ -272,7 +265,6 @@ def test_endpoint_confirm(user: UserClient, user2: UserClient):
         'userTo': user2.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': True,
     }
@@ -313,7 +305,6 @@ def test_confirm_revoke(user: UserClient, user2: UserClient):
         'userTo': user2.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': True,
     }
@@ -392,7 +383,6 @@ def test_usecase_confirmation(user: UserClient, user2: UserClient):
         'userTo': user.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': True,
     }
@@ -580,7 +570,6 @@ def test_confirmRevoke(user: UserClient, user2: UserClient):
         'userTo': user.email,
         'price': 10,
         'date': "2020-12-01T02:00:00+00:00",
-        'documentID': '1',
         'lot': lot['id'],
         'confirm': True,
     }