-<input class="submit" type="submit" name="action_print" value="[% 'Print' | $T8 %]">
-<input class="submit" type="submit" name="action_e_mail" value="[% 'E-mail' | $T8 %]">
-<input class="submit" type="submit" name="action_save" value="[% 'Save' | $T8 %]">
-<input class="submit" type="submit" name="action_save_and_close" value="[% 'Save and Close' | $T8 %]">
+<input class="submit" type="submit" name="action_print" value="[% 'Print' | $T8 %]" data-require-transaction-description="[% INSTANCE_CONF.get_require_transaction_description_ps %]">
+<input class="submit" type="submit" name="action_e_mail" value="[% 'E-mail' | $T8 %]" data-require-transaction-description="[% INSTANCE_CONF.get_require_transaction_description_ps %]">
+<input class="submit" type="submit" name="action_save" value="[% 'Save' | $T8 %]"[% IF warn_save_active_periodic_invoice %] data-warn-save-active-periodic-invoice="1"[% END %] data-require-transaction-description="[% INSTANCE_CONF.get_require_transaction_description_ps %]">
+<input class="submit" type="submit" name="action_save_and_close" value="[% 'Save and Close' | $T8 %]"[% IF warn_save_active_periodic_invoice %] data-warn-save-active-periodic-invoice="1"[% END %] data-require-transaction-description="[% INSTANCE_CONF.get_require_transaction_description_ps %]">