diff --git a/beesdoo_shift/models/attendance_sheet.py b/beesdoo_shift/models/attendance_sheet.py
index 5239e65..c10e597 100644
--- a/beesdoo_shift/models/attendance_sheet.py
+++ b/beesdoo_shift/models/attendance_sheet.py
@@ -274,6 +274,12 @@ class AttendanceSheet(models.Model):
                 "The sheet has already been validated and can't be edited."
             )
 
+    @api.multi
+    def button_mark_as_read(self):
+        if self.is_read:
+            raise UserError("The sheet has already been marked as read.")
+        self.is_read = True
+
     @api.constrains("expected_shift_ids", "added_shift_ids")
     def _constrain_unique_worker(self):
         added_workers = set(self.added_shift_ids.mapped("worker_id").ids)
diff --git a/beesdoo_shift/views/attendance_sheet.xml b/beesdoo_shift/views/attendance_sheet.xml
index 19b2ae5..b23aa04 100644
--- a/beesdoo_shift/views/attendance_sheet.xml
+++ b/beesdoo_shift/views/attendance_sheet.xml
@@ -76,6 +76,13 @@
                             />
                 </header>
                 <sheet>
+                    <div class="oe_button_box" name="button_box">
+                        <button name="button_mark_as_read" type="object"
+                                class="oe_stat_button" icon="fa-check"
+                                string="Mark as read"
+                                groups="beesdoo_shift.group_cooperative_admin"
+                                />
+                    </div>
                     <div class="oe_title">
                         <h1><field name="name" /></h1>
                     </div>
@@ -94,11 +101,6 @@
                         <field name="added_shift_ids" />
                         <h4> Additional important informations </h4>
                         <field name="annotation" />
-                        <group>
-                            <field name="is_read"
-                                   groups="beesdoo_shift.group_cooperative_admin"
-                            />
-                        </group>
                         <h4> General feedback </h4>
                         <field name="feedback" />
                         <group>