+sub has_differing_delivery_address {
+ my ($self) = @_;
+ ($self->billing_firstname // '') ne ($self->delivery_firstname // '') ||
+ ($self->billing_lastname // '') ne ($self->delivery_lastname // '') ||
+ ($self->billing_city // '') ne ($self->delivery_city // '') ||
+ ($self->billing_street // '') ne ($self->delivery_street // '')
+}
+
+sub delivery_fullname {
+ ($_[0]->delivery_firstname // '') . " " . ($_[0]->delivery_lastname // '')
+}
+