diff --git a/ereuse_devicehub/inventory/forms.py b/ereuse_devicehub/inventory/forms.py
index e7f06a0b..27e29c7c 100644
--- a/ereuse_devicehub/inventory/forms.py
+++ b/ereuse_devicehub/inventory/forms.py
@@ -3,6 +3,7 @@ import datetime
 import json
 from json.decoder import JSONDecodeError
 
+import pandas as pd
 from boltons.urlutils import URL
 from flask import current_app as app
 from flask import g, request
@@ -53,7 +54,6 @@ from ereuse_devicehub.resources.device.models import (
     Smartphone,
     Tablet,
 )
-from ereuse_devicehub.resources.device.sync import Sync
 from ereuse_devicehub.resources.documents.models import DataWipeDocument
 from ereuse_devicehub.resources.enums import Severity
 from ereuse_devicehub.resources.hash_reports import insert_hash
@@ -404,8 +404,8 @@ class NewDeviceForm(FlaskForm):
                 is_valid = False
 
         if self.phid.data and self.amount.data == 1:
-            dev = Device.query.filter_by(
-                hid=self.phid.data, owner=g.user, active=True
+            dev = Placeholder.query.filter(
+                Placeholder.phid == self.phid.data, Device.owner == g.user
             ).first()
             if dev:
                 msg = "Sorry, exist one snapshot device with this HID"
@@ -435,7 +435,7 @@ class NewDeviceForm(FlaskForm):
             db.session.commit()
 
     def create_device(self):
-
+        schema = SnapshotSchema()
         json_snapshot = {
             'type': 'Snapshot',
             'software': 'Web',
@@ -466,45 +466,20 @@ class NewDeviceForm(FlaskForm):
                     'functionalityRange': self.functionality.data,
                 }
             ]
-
-        upload_form = UploadSnapshotForm()
-        upload_form.sync = Sync()
-
-        schema = SnapshotSchema()
-        self.tmp_snapshots = '/tmp/'
-        path_snapshot = save_json(json_snapshot, self.tmp_snapshots, g.user.email)
+        # import pdb; pdb.set_trace()
         snapshot_json = schema.load(json_snapshot)
+        device = snapshot_json['device']
 
         if self.type.data == 'ComputerMonitor':
-            snapshot_json['device'].resolution_width = self.resolution.data
-            snapshot_json['device'].size = self.screen.data
+            device.resolution_width = self.resolution.data
+            device.size = self.screen.data
 
         if self.type.data in ['Smartphone', 'Tablet', 'Cellphone']:
-            snapshot_json['device'].imei = self.imei.data
-            snapshot_json['device'].meid = self.meid.data
+            device.imei = self.imei.data
+            device.meid = self.meid.data
 
-        snapshot_json['device'].placeholder = self.get_placeholder()
-        snapshot_json['device'].hid = self.phid.data
-
-        snapshot = upload_form.build(snapshot_json)
-        move_json(self.tmp_snapshots, path_snapshot, g.user.email)
-
-        if self.type.data == 'ComputerMonitor':
-            snapshot.device.resolution = self.resolution.data
-            snapshot.device.screen = self.screen.data
-
-        return snapshot
-
-    def get_phid(self):
-        _hid = self.phid.data
-        if not _hid:
-            _hid = Placeholder.query.order_by(Placeholder.id.desc()).first()
-            if _hid:
-                _hid = str(_hid.id + 1)
-            else:
-                _hid = '1'
-
-        self.phid.data = _hid.lower()
+        device.placeholder = self.get_placeholder()
+        db.session.add(device)
 
     def reset_ids(self):
         if self.amount.data > 1:
@@ -514,11 +489,11 @@ class NewDeviceForm(FlaskForm):
             self.sku.data = None
             self.imei.data = None
             self.meid.data = None
-        self.get_phid()
 
     def get_placeholder(self):
         self.placeholder = Placeholder(
             **{
+                'phid': self.phid.data or None,
                 'id_device_supplier': self.id_device_supplier.data,
                 'info': self.info.data,
                 'pallet': self.pallet.data,
@@ -1359,3 +1334,97 @@ class NotesForm(FlaskForm):
             db.session.commit()
 
         return self._obj
+
+
+class UploadPlaceholderForm(FlaskForm):
+    type = StringField('Type', [validators.DataRequired()])
+    placeholder_file = FileField(
+        'Select a Placeholder File', [validators.DataRequired()]
+    )
+
+    def validate(self, extra_validators=None):
+        is_valid = super().validate(extra_validators)
+
+        if not is_valid:
+            return False
+
+        files = request.files.getlist(self.placeholder_file.name)
+
+        if not files:
+            return False
+
+        data = pd.read_excel(files[0]).to_dict()
+        header = [
+            'Phid',
+            'Model',
+            'Manufacturer',
+            'Serial Number',
+            'Id device Supplier',
+            'Pallet',
+            'Info',
+        ]
+
+        for k in header:
+            if k not in data.keys():
+                self.placeholder_file.errors = ["Missing required fields in the file"]
+                return False
+
+        self.placeholders = []
+        schema = SnapshotSchema()
+        self.path_snapshots = {}
+        for i in data['Phid'].keys():
+            placeholder = None
+            if data['Phid'][i]:
+                placeholder = Placeholder.query.filter_by(phid=data['Phid'][i]).first()
+
+            # update one
+            if placeholder:
+                device = placeholder.device
+                device.model = "{}".format(data['Model'][i]).lower()
+                device.manufacturer = "{}".format(data['Manufacturer'][i]).lower()
+                device.serial_number = "{}".format(data['Serial Number'][i]).lower()
+                placeholder.id_device_supplier = "{}".format(
+                    data['Id device Supplier'][i]
+                )
+                placeholder.pallet = "{}".format(data['Pallet'][i])
+                placeholder.info = "{}".format(data['Info'][i])
+
+                self.placeholders.append(device)
+                continue
+
+            # create a new one
+            json_snapshot = {
+                'type': 'Snapshot',
+                'software': 'Web',
+                'version': '11.0',
+                'device': {
+                    'type': self.type.data,
+                    'model': "{}".format(data['Model'][i]),
+                    'manufacturer': "{}".format(data['Manufacturer'][i]),
+                    'serialNumber': "{}".format(data['Serial Number'][i]),
+                },
+            }
+            json_placeholder = {
+                'phid': data['Phid'][i] or None,
+                'id_device_supplier': data['Id device Supplier'][i],
+                'pallet': data['Pallet'][i],
+                'info': data['Info'][i],
+            }
+
+            snapshot_json = schema.load(json_snapshot)
+            device = snapshot_json['device']
+            device.placeholder = Placeholder(**json_placeholder)
+
+            self.placeholders.append(device)
+
+        return True
+
+    def save(self, commit=True):
+
+        for device in self.placeholders:
+            db.session.add(device)
+
+        if commit:
+            db.session.commit()
+
+        return self.placeholders
diff --git a/ereuse_devicehub/inventory/views.py b/ereuse_devicehub/inventory/views.py
index da4df610..975e6d4a 100644
--- a/ereuse_devicehub/inventory/views.py
+++ b/ereuse_devicehub/inventory/views.py
@@ -30,6 +30,7 @@ from ereuse_devicehub.inventory.forms import (
     TradeDocumentForm,
     TradeForm,
     TransferForm,
+    UploadPlaceholderForm,
     UploadSnapshotForm,
 )
 from ereuse_devicehub.labels.forms import PrintLabelsForm
@@ -832,6 +833,34 @@ class ReceiverNoteView(GenericMixin):
         return flask.redirect(next_url)
 
 
+class UploadPlaceholderView(GenericMixin):
+    methods = ['GET', 'POST']
+    decorators = [login_required]
+    template_name = 'inventory/upload_placeholder.html'
+
+    def dispatch_request(self, lot_id=None):
+        self.get_context()
+        form = UploadPlaceholderForm()
+        self.context.update(
+            {
+                'page_title': 'Upload Placeholder',
+                'form': form,
+                'lot_id': lot_id,
+            }
+        )
+        if form.validate_on_submit():
+            snapshots = form.save(commit=False)
+            if lot_id:
+                lots = self.context['lots']
+                lot = lots.filter(Lot.id == lot_id).one()
+                for snap in snapshots:
+                    lot.devices.add(snap.device)
+                db.session.add(lot)
+            db.session.commit()
+
+        return flask.render_template(self.template_name, **self.context)
+
+
 devices.add_url_rule('/action/add/', view_func=NewActionView.as_view('action_add'))
 devices.add_url_rule('/action/trade/add/', view_func=NewTradeView.as_view('trade_add'))
 devices.add_url_rule(
@@ -902,3 +931,11 @@ devices.add_url_rule(
     '/lot/<string:lot_id>/receivernote/',
     view_func=ReceiverNoteView.as_view('receiver_note'),
 )
+devices.add_url_rule(
+    '/upload-placeholder/',
+    view_func=UploadPlaceholderView.as_view('upload_placeholder'),
+)
+devices.add_url_rule(
+    '/lot/<string:lot_id>/upload-placeholder/',
+    view_func=UploadPlaceholderView.as_view('lot_upload_placeholder'),
+)
diff --git a/ereuse_devicehub/migrations/versions/aeca9fb50cc6_add_placeholder.py b/ereuse_devicehub/migrations/versions/aeca9fb50cc6_add_placeholder.py
index 0eef82bd..d013b64e 100644
--- a/ereuse_devicehub/migrations/versions/aeca9fb50cc6_add_placeholder.py
+++ b/ereuse_devicehub/migrations/versions/aeca9fb50cc6_add_placeholder.py
@@ -25,9 +25,6 @@ def get_inv():
 
 def upgrade():
     # creating placeholder table
-    # con = op.get_bind()
-    # sql = f"CREATE SEQUENCE {get_inv()}.placeholder_id_seq START 1;"
-    # con.execute(sql)
 
     op.create_table(
         'placeholder',
@@ -44,13 +41,12 @@ def upgrade():
             nullable=False,
         ),
         sa.Column('id', sa.BigInteger(), nullable=False),
+        sa.Column('phid', sa.Unicode(), nullable=False),
         sa.Column('id_device_supplier', sa.Unicode(), nullable=True),
         sa.Column('pallet', sa.Unicode(), nullable=True),
         sa.Column('info', citext.CIText(), nullable=True),
         sa.Column('device_id', sa.BigInteger(), nullable=False),
-        sa.Column('binding_id', sa.BigInteger(), nullable=True),
         sa.ForeignKeyConstraint(['device_id'], [f'{get_inv()}.device.id']),
-        sa.ForeignKeyConstraint(['binding_id'], [f'{get_inv()}.device.id']),
         sa.PrimaryKeyConstraint('id'),
         schema=f'{get_inv()}',
     )
diff --git a/ereuse_devicehub/resources/device/models.py b/ereuse_devicehub/resources/device/models.py
index 30c16c5b..1b6ae451 100644
--- a/ereuse_devicehub/resources/device/models.py
+++ b/ereuse_devicehub/resources/device/models.py
@@ -75,6 +75,13 @@ def create_code(context):
     return hashcode.encode(_id)
 
 
+def create_phid(context):
+    _hid = Placeholder.query.order_by(Placeholder.id.desc()).first()
+    if _hid:
+        return str(_hid.id + 1)
+    return '1'
+
+
 class Device(Thing):
     """Base class for any type of physical object that can be identified.
 
@@ -794,6 +801,7 @@ class DisplayMixin:
 class Placeholder(Thing):
     id = Column(BigInteger, Sequence('placeholder_seq'), primary_key=True)
     pallet = Column(Unicode(), nullable=True)
+    phid = Column(Unicode(), nullable=False, default=create_phid)
     pallet.comment = "used for identification where from where is this placeholders"
     info = db.Column(CIText())
     info.comment = "more info of placeholders"
@@ -814,18 +822,6 @@ class Placeholder(Thing):
     )
     device_id.comment = "datas of the placeholder"
 
-    binding_id = db.Column(
-        BigInteger,
-        db.ForeignKey(Device.id),
-        nullable=True,
-    )
-    binding = db.relationship(
-        Device,
-        backref=backref('binding', lazy=True, uselist=False),
-        primaryjoin=binding_id == Device.id,
-    )
-    binding_id.comment = "device with snapshots than is linked to the placeholder"
-
 
 class Computer(Device):
     """A chassis with components inside that can be processed
diff --git a/ereuse_devicehub/static/js/create_device.js b/ereuse_devicehub/static/js/create_device.js
index a6b22022..04533411 100644
--- a/ereuse_devicehub/static/js/create_device.js
+++ b/ereuse_devicehub/static/js/create_device.js
@@ -38,7 +38,6 @@ function amountInputs() {
         $("#Id_device_supplier").show();
         $("#Serial_number").show();
         $("#Sku").show();
-        $("#imei").show();
-        $("#meid").show();
+        deviceInputs();
     };
 }
diff --git a/ereuse_devicehub/templates/inventory/device_list.html b/ereuse_devicehub/templates/inventory/device_list.html
index 9888dd08..2a4effe2 100644
--- a/ereuse_devicehub/templates/inventory/device_list.html
+++ b/ereuse_devicehub/templates/inventory/device_list.html
@@ -330,9 +330,9 @@
                   </li>
                   <li>
                     {% if lot %}
-                    <a href="{{ url_for('inventory.lot_upload_snapshot', lot_id=lot.id) }}" class="dropdown-item">
+                    <a href="{{ url_for('inventory.lot_upload_placeholder', lot_id=lot.id) }}" class="dropdown-item">
                     {% else %}
-                    <a href="{{ url_for('inventory.upload_snapshot') }}" class="dropdown-item">
+                    <a href="{{ url_for('inventory.upload_placeholder') }}" class="dropdown-item">
                     {% endif %}
                       <i class="bi bi-upload"></i>
                       Upload Placeholder Spreadsheet
diff --git a/ereuse_devicehub/templates/inventory/upload_placeholder.html b/ereuse_devicehub/templates/inventory/upload_placeholder.html
new file mode 100644
index 00000000..9e0bd83b
--- /dev/null
+++ b/ereuse_devicehub/templates/inventory/upload_placeholder.html
@@ -0,0 +1,117 @@
+{% extends "ereuse_devicehub/base_site.html" %}
+{% block main %}
+
+<div class="pagetitle">
+  <h1>Inventory</h1>
+  <nav>
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item"><a href="{{ url_for('inventory.devicelist')}}">Inventory</a></li>
+      <li class="breadcrumb-item active">{{ page_title }}</li>
+    </ol>
+  </nav>
+</div><!-- End Page Title -->
+
+<section class="section profile">
+  <div class="row">
+    <div class="col-xl-8">
+
+      <div class="card">
+              <div class="card-body">
+
+                <div class="pt-4 pb-2">
+                  <h5 class="card-title text-center pb-0 fs-4">Upload Placeholder</h5>
+                  <p class="text-center small">Please select a Placeholders CSV file.</p>
+                  {% if form.form_errors %}
+                  <p class="text-danger">
+                    {% for error in form.form_errors %}
+                      {{ error }}<br/>
+                    {% endfor %}
+                  </p>
+                  {% endif %}
+                </div>
+                <div class="pt-4 pb-2 mb-3">
+                  Use the following template to register or update placeholders.<br />
+                  Choose the type of device.<br />
+                  The following considerations are important:<br />
+                  1. Do not rename columns or add new columns.<br />
+                  2. Accepted file types are ods, xlsx and csv.<br />
+                  3. A new Placeholder will be registered if the PHID value does not exist in the system or is empty.<br />
+                  4. A Placeholder will be updated if the PHID value exists in the system
+                </div>
+
+                <form method="post" enctype="multipart/form-data" class="row g-3 needs-validation" novalidate>
+                  {{ form.csrf_token }}
+
+                  <div class="form-group has-validation mb-2">
+                    <label for="name" class="form-label">Type *</label>
+                    <select id="type" class="form-control" name="type" required="">
+                      <option value="">Select one Type</option>
+                      <optgroup label="Computer">
+                        <option value="Laptop"
+                        {% if form.type.data == 'Laptop' %} selected="selected"{% endif %}>Laptop</option>
+                        <option value="Desktop"
+                        {% if form.type.data == 'Desktop' %} selected="selected"{% endif %}>Desktop</option>
+                        <option value="Server"
+                        {% if form.type.data == 'Server' %} selected="selected"{% endif %}>Server</option>
+                      </optgroup>
+                      <optgroup label="Monitor">
+                        <option value="ComputerMonitor"
+                        {% if form.type.data == 'Monitor' %} selected="selected"{% endif %}>Computer Monitor</option>
+                      </optgroup>
+                      <optgroup label="Mobile">
+                        <option value="Smartphone"
+                        {% if form.type.data == 'Smartphone' %} selected="selected"{% endif %}>Smartphone</option>
+                        <option value="Tablet"
+                        {% if form.type.data == 'Tablet' %} selected="selected"{% endif %}>Tablet</option>
+                        <option value="Cellphone"
+                        {% if form.type.data == 'Cellphone' %} selected="selected"{% endif %}>Cellphone</option>
+                      </optgroup>
+                      <optgroup label="Computer Accessory">
+                        <option value="Mouse"
+                        {% if form.type.data == 'Mouse' %} selected="selected"{% endif %}>Mouse</option>
+                        <option value="MemoryCardReader"
+                        {% if form.type.data == 'MemoryCardReader' %} selected="selected"{% endif %}>Memory card reader</option>
+                        <option value="SAI"
+                        {% if form.type.data == 'SAI' %} selected="selected"{% endif %}>SAI</option>
+                        <option value="Keyboard"
+                        {% if form.type.data == 'Keyboard' %} selected="selected"{% endif %}>Keyboard</option>
+                      </optgroup>
+                    </select>
+                    <small class="text-muted form-text">Type of devices</small>
+                    {% if form.type.errors %}
+                    <p class="text-danger">
+                      {% for error in form.type.errors %}
+                        {{ error }}<br/>
+                      {% endfor %}
+                    </p>
+                    {% endif %}
+                  </div>
+
+                  <div>
+                    <label for="name" class="form-label">Select a Placeholders CSV file *</label>
+                    <div class="input-group has-validation">
+                      {{ form.placeholder_file }}
+                    </div>
+                  </div>
+
+                  <div>
+                    {% if lot_id %}
+                    <a href="{{ url_for('inventory.lotdevicelist', lot_id=lot_id) }}" class="btn btn-danger">Cancel</a>
+                    {% else %}
+                    <a href="{{ url_for('inventory.devicelist') }}" class="btn btn-danger">Cancel</a>
+                    {% endif %}
+                    <button class="btn btn-primary" type="submit">Send</button>
+                  </div>
+                </form>
+
+              </div>
+
+      </div>
+
+    </div>
+
+    <div class="col-xl-8">
+    </div>
+  </div>
+</section>
+{% endblock main %}
diff --git a/requirements.txt b/requirements.txt
index a72507d0..f3bed41b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,3 +45,7 @@ python-dotenv==0.14.0
 pyjwt==2.4.0
 pint==0.9
 py-dmidecode==0.1.0
+pandas==1.3.5
+numpy==1.21.6
+odfpy==1.4.1
+xlrd==2.0.1
diff --git a/tests/files/placeholder_test.xls b/tests/files/placeholder_test.xls
new file mode 100644
index 00000000..89db957f
Binary files /dev/null and b/tests/files/placeholder_test.xls differ
diff --git a/tests/test_render_2_0.py b/tests/test_render_2_0.py
index 9982890d..a8790cb3 100644
--- a/tests/test_render_2_0.py
+++ b/tests/test_render_2_0.py
@@ -453,7 +453,8 @@ def test_add_monitor(user3: UserClientFlask):
     dev = Device.query.one()
     assert dev.type == 'Monitor'
     assert dev.placeholder.id_device_supplier == "b2"
-    assert dev.hid == '1'
+    assert dev.hid == 'monitor-samsung-lc27t55-aaaab'
+    assert dev.placeholder.phid == '1'
 
 
 @pytest.mark.mvp
@@ -483,7 +484,8 @@ def test_update_monitor(user3: UserClientFlask):
     dev = Device.query.one()
     assert dev.type == 'Monitor'
     assert dev.placeholder.id_device_supplier == "b2"
-    assert dev.hid == '1'
+    assert dev.hid == 'monitor-samsung-lc27t55-aaaab'
+    assert dev.placeholder.phid == '1'
     assert dev.model == 'lc27t55'
     assert dev.depth == 0.1
     assert dev.placeholder.pallet == "l34"
@@ -508,7 +510,8 @@ def test_update_monitor(user3: UserClientFlask):
     dev = Device.query.one()
     assert dev.type == 'Monitor'
     assert dev.placeholder.id_device_supplier == "b2"
-    assert dev.hid == '1'
+    assert dev.hid == 'monitor-samsung-lc27t55-aaaab'
+    assert dev.placeholder.phid == '1'
     assert dev.model == 'lc27t55'
     assert dev.depth == 0.1
     assert dev.placeholder.pallet == "l34"
@@ -542,7 +545,8 @@ def test_add_2_monitor(user3: UserClientFlask):
     dev = Device.query.one()
     assert dev.type == 'Monitor'
     assert dev.placeholder.id_device_supplier == "b1"
-    assert dev.hid == 'aab'
+    assert dev.hid == 'monitor-samsung-lc27t55-aaaab'
+    assert dev.placeholder.phid == 'AAB'
     assert dev.model == 'lc27t55'
     assert dev.placeholder.pallet == "l34"
 
@@ -565,7 +569,8 @@ def test_add_2_monitor(user3: UserClientFlask):
     dev = Device.query.all()[-1]
     assert dev.type == 'Monitor'
     assert dev.placeholder.id_device_supplier == "b2"
-    assert dev.hid == '2'
+    assert dev.hid == 'monitor-samsung-lcd_43_b-aaaab'
+    assert dev.placeholder.phid == '2'
     assert dev.model == 'lcd 43 b'
     assert dev.placeholder.pallet == "l20"
 
@@ -596,7 +601,8 @@ def test_add_laptop(user3: UserClientFlask):
     dev = Device.query.one()
     assert dev.type == 'Laptop'
     assert dev.placeholder.id_device_supplier == "b2"
-    assert dev.hid == '1'
+    assert dev.hid == 'laptop-samsung-lc27t55-aaaab'
+    assert dev.placeholder.phid == '1'
 
 
 @pytest.mark.mvp
@@ -628,21 +634,19 @@ def test_add_with_ammount_laptops(user3: UserClientFlask):
     for dev in Device.query.all():
         assert dev.type == 'Laptop'
         assert dev.placeholder.id_device_supplier is None
-        assert dev.hid in [str(x) for x in range(1, num + 1)]
+        assert dev.hid is None
+        assert dev.placeholder.phid in [str(x) for x in range(1, num + 1)]
     assert Device.query.count() == num
 
 
 @pytest.mark.mvp
 @pytest.mark.usefixtures(conftest.app_context.__name__)
 def test_add_laptop_duplicate(user3: UserClientFlask):
-    file_name = 'real-eee-1001pxd.snapshot.12.json'
-    create_device(user3, file_name)
 
     uri = '/inventory/device/add/'
     body, status = user3.get(uri)
     assert status == '200 OK'
     assert "New Device" in body
-    assert Device.query.count() == 10
 
     data = {
         'csrf_token': generate_csrf(),
@@ -658,8 +662,10 @@ def test_add_laptop_duplicate(user3: UserClientFlask):
     }
     body, status = user3.post(uri, data=data)
     assert status == '200 OK'
+    assert Device.query.count() == 1
+    body, status = user3.post(uri, data=data)
     assert 'Sorry, exist one snapshot device with this HID' in body
-    assert Device.query.count() == 10
+    assert Device.query.count() == 1
 
 
 @pytest.mark.mvp
@@ -1609,3 +1615,29 @@ def test_export_snapshot_json(user3: UserClientFlask):
     body, status = user3.get(uri)
     assert status == '200 OK'
     assert body == snapshot
+
+
+@pytest.mark.mvp
+@pytest.mark.usefixtures(conftest.app_context.__name__)
+def test_add_placeholder_excel(user3: UserClientFlask):
+
+    uri = '/inventory/upload-placeholder/'
+    body, status = user3.get(uri)
+    assert status == '200 OK'
+    assert "Upload Placeholder" in body
+
+    file_path = Path(__file__).parent.joinpath('files').joinpath('placeholder_test.xls')
+    with open(file_path, 'rb') as excel:
+        data = {
+            'csrf_token': generate_csrf(),
+            'type': "Laptop",
+            'placeholder_file': excel,
+        }
+        user3.post(uri, data=data, content_type="multipart/form-data")
+    assert Device.query.count() == 1
+    dev = Device.query.first()
+    assert dev.hid == 'laptop-sony-vaio-12345678'
+    assert dev.placeholder.phid == 'a123'
+    assert dev.placeholder.info == 'Good conditions'
+    assert dev.placeholder.pallet == '24A'
+    assert dev.placeholder.id_device_supplier == 'TTT'