[% FOREACH invoice = INVOICES %]
<div id="[% bt_id %].[% invoice.id %]">
[% L.hidden_tag('invoice_ids.' _ bt_id _'[]', invoice.id) %]
[% FOREACH invoice = INVOICES %]
<div id="[% bt_id %].[% invoice.id %]">
[% L.hidden_tag('invoice_ids.' _ bt_id _'[]', invoice.id) %]