+
+ # add c_vendor_id or v_vendor_id as a prefix if a entry exists
+ next unless $invoice->{vc_vc_id};
+
+ my $prefix_vc_number = $translations{ $invoice->{language_id} } || $translations{default} || $vc_no;
+ $prefix_vc_number .= ' ' unless $prefix_vc_number =~ m/ $/;
+ $invoice->{reference_prefix_vc} = ' ' . $prefix_vc_number unless $prefix_vc_number =~ m/^ /;