$vc_obj = SL::DB::Vendor->new(id => $object->vendor_id)->load if (!$vc_obj && $object->vendor_id);
# salesman from customer/vendor or login if not given
$vc_obj = SL::DB::Vendor->new(id => $object->vendor_id)->load if (!$vc_obj && $object->vendor_id);
# salesman from customer/vendor or login if not given