$form->error($locale->text('Cannot post transaction for a closed period!'))
     if ($form->date_closed($form->{"transdate"}, \%myconfig));
   if ($form->round_amount($debit, 2) != $form->round_amount($credit, 2)) {
   $form->error($locale->text('Cannot post transaction for a closed period!'))
     if ($form->date_closed($form->{"transdate"}, \%myconfig));
   if ($form->round_amount($debit, 2) != $form->round_amount($credit, 2)) {