diff --git a/beesdoo_shift/data/system_parameter.xml b/beesdoo_shift/data/system_parameter.xml
index 1b7fede..0a4a676 100644
--- a/beesdoo_shift/data/system_parameter.xml
+++ b/beesdoo_shift/data/system_parameter.xml
@@ -31,6 +31,10 @@
         <field name="key">regular_counter_to_unsubscribe</field>
         <field name="value">-4</field>
     </record>
+    <record id="beesdoo_shift.card_support" model="ir.config_parameter">
+        <field name="key">beesdoo_shift.card_support</field>
+        <field name="value">False</field>
+    </record>
     <record id="beesdoo_shift.attendance_sheet_generation_interval" model="ir.config_parameter">
         <field name="key">beesdoo_shift.attendance_sheet_generation_interval</field>
         <field name="value">15</field>
diff --git a/beesdoo_shift/models/res_config.py b/beesdoo_shift/models/res_config.py
index 1f82528..aed6d87 100644
--- a/beesdoo_shift/models/res_config.py
+++ b/beesdoo_shift/models/res_config.py
@@ -10,21 +10,29 @@ class ShiftConfigSettings(models.TransientModel):
     _name = "beesdoo.shift.config.settings"
     _inherit = "res.config.settings"
 
+    card_support = fields.Boolean(
+        string="Scan cooperators cards instead of login for sheets validation",
+        default=False
+    )
     default_task_type_id = fields.Many2one(
         "beesdoo.shift.type",
         string="Default Task Type",
-        help="Default task type for attendance sheet pre-filling.",
+        help="Default task type for attendance sheet pre-filling",
+        required=True,
     )
     attendance_sheet_generation_interval = fields.Integer(
         string="Time interval for attendance sheet generation",
         help="Time interval expressed in minutes",
+        required=True,
     )
 
     @api.multi
     def set_params(self):
         self.ensure_one()
-
         parameters = self.env["ir.config_parameter"]
+        parameters.set_param(
+            "beesdoo_shift.card_support", str(self.card_support),
+        )
         parameters.set_param(
             "beesdoo_shift.default_task_type_id",
             str(self.default_task_type_id.id),
@@ -34,6 +42,17 @@ class ShiftConfigSettings(models.TransientModel):
             str(self.attendance_sheet_generation_interval),
         )
 
+    @api.multi
+    def get_default_card_support(self):
+        return {
+            "card_support": (
+                self.env["ir.config_parameter"].get_param(
+                    "beesdoo_shift.card_support"
+                )
+                == "True"
+            )
+        }
+
     @api.multi
     def get_default_task_type_id(self):
         return {
diff --git a/beesdoo_shift/views/res_config_view.xml b/beesdoo_shift/views/res_config_view.xml
index ef30fc3..73d6e7a 100644
--- a/beesdoo_shift/views/res_config_view.xml
+++ b/beesdoo_shift/views/res_config_view.xml
@@ -40,6 +40,7 @@
                       </header>
                       <separator string="General Settings"/>
                       <group name="Attendance Sheets">
+                          <field name="card_support"/>
                           <field name="attendance_sheet_generation_interval"/>
                           <field name="default_task_type_id"/>
                       </group>
diff --git a/beesdoo_shift/wizard/validate_attendance_sheet.py b/beesdoo_shift/wizard/validate_attendance_sheet.py
index e16a86c..b7aefea 100644
--- a/beesdoo_shift/wizard/validate_attendance_sheet.py
+++ b/beesdoo_shift/wizard/validate_attendance_sheet.py
@@ -9,6 +9,11 @@ class ValidateAttendanceSheet(models.TransientModel):
     Useless for users in group_cooperative_admin"""
     _inherit = ["barcodes.barcode_events_mixin"]
 
+    def _get_card_support_setting(self):
+        return self.env["ir.config_parameter"].get_param(
+                "beesdoo_shift.card_support"
+            ) == "True"
+
     @api.multi
     def _default_annotation(self):
         """
@@ -35,7 +40,10 @@ class ValidateAttendanceSheet(models.TransientModel):
                 )
         return warning_message
 
-    barcode = fields.Char(string="Barcode", required=True)
+    card_support = fields.Boolean(default=_get_card_support_setting)
+    user_id = fields.Many2one("res.users", string="Login")
+    password = fields.Char(string="Password")
+    barcode = fields.Char(string="Barcode")
     annotation = fields.Text(
         "Important information requiring permanent member assistance",
         default=_default_annotation,
@@ -59,13 +67,24 @@ class ValidateAttendanceSheet(models.TransientModel):
         sheet_id = self._context.get("active_id")
         sheet_model = self._context.get("active_model")
         sheet = self.env[sheet_model].browse(sheet_id)
-        card = self.env["member.card"].search([("barcode", "=", self.barcode)])
-        if not len(card):
-            raise UserError(_("Please set a correct barcode."))
-        partner = card[0].partner_id
+
+        if self.card_support:
+            # Login with barcode
+            card = self.env["member.card"].search([("barcode", "=", self.barcode)])
+            if not len(card):
+                raise UserError(_("Please set a correct barcode."))
+            partner = card[0].partner_id
+        else:
+            # Login with credentials
+            if not self.user_id:
+                raise UserError(_("Please enter an user name."))
+            self.user_id.sudo(self.user_id.id).check_credentials(self.password)
+            partner = self.user_id.partner_id
+
         is_admin = partner.user_ids.has_group(
             "beesdoo_shift.group_cooperative_admin"
         )
+
         if not partner.super and not is_admin:
             raise UserError(
                 _(
diff --git a/beesdoo_shift/wizard/validate_attendance_sheet.xml b/beesdoo_shift/wizard/validate_attendance_sheet.xml
index 3256124..1d8a1c0 100644
--- a/beesdoo_shift/wizard/validate_attendance_sheet.xml
+++ b/beesdoo_shift/wizard/validate_attendance_sheet.xml
@@ -17,7 +17,16 @@
                     <group>
                         <field name="worker_nb_feedback" />
                     </group>
-                    <group string="Scan your card">
+                    <field name="card_support" invisible="1" />
+                    <group string="Login"
+                           attrs="{'invisible': [('card_support', '=', True)]}"
+                    >
+                        <field name="user_id" />
+                        <field name="password" password="True"/>
+                    </group>
+                    <group string="Scan your card"
+                        attrs="{'invisible': [('card_support', '=', False)]}"
+                    >
                         <field name="barcode" />
                     </group>
                 </sheet>