+
+    # register payment_id for method copying later
+    $self->clone_methods->{payment_id} = 1;
+  }
+
+  return 1;
+}
+
+sub check_delivery_term {
+  my ($self, $entry) = @_;
+
+  my $object = $entry->{object};
+
+  # Check whether or not delivery term ID is valid.
+  if ($object->delivery_term_id && !$self->delivery_terms_by->{id}->{ $object->delivery_term_id }) {
+    push @{ $entry->{errors} }, $::locale->text('Error: Invalid delivery terms');
+    return 0;
+  }
+
+  # Map name to ID if given.
+  if (!$object->delivery_term_id && $entry->{raw_data}->{delivery_term}) {
+    my $terms = $self->delivery_terms_by->{description}->{ $entry->{raw_data}->{delivery_term} };
+
+    if (!$terms) {
+      push @{ $entry->{errors} }, $::locale->text('Error: Invalid delivery terms');
+      return 0;
+    }
+
+    $object->delivery_term_id($terms->id);
+
+    # register delivery_term_id for method copying later
+    $self->clone_methods->{delivery_term_id} = 1;