diff --git a/app/SubBooking.php b/app/SubBooking.php
index a3f30b7..5dc0658 100644
--- a/app/SubBooking.php
+++ b/app/SubBooking.php
@@ -81,6 +81,11 @@ class SubBooking extends Model
         return $this->ioType()->factor * $this->amount;
     }
 
+    public function personOrCompany()
+    {
+        return $this->booking->person_or_company;
+    }
+
     /**************************************************************************
      * SUMS OVER INCOMES AND EXPEDITURES, ACCOUNT BALANCES                    *
      **************************************************************************/