[% IF report.get_extra_metadata('grouped_ids') %]
    Your reference numbers
    <br><strong>LBS-[% report.id %], LBS-[% report.get_extra_metadata('grouped_ids').join(', LBS-') %]</strong>
[% ELSE %]
    Your reference number
    <br><strong>LBS-[% report.id %]</strong>
[% END %]