+ $self->create_trans_number if !defined $self->vendornumber || $self->vendornumber eq '';
+ return 1;
+}
+
+sub validate {
+ my ($self) = @_;
+
+ my @errors;
+ push @errors, $::locale->text('The vendor name is missing.') if !$self->name;
+ push @errors, $self->validate_ibans;
+
+ return @errors;
+}
+
+sub displayable_name {
+ my $self = shift;
+
+ return join ' ', grep $_, $self->vendornumber, $self->name;