sub option_fields {
(
'percent' => { label=>'Percent', size=>2, },
'reason' => 'Reason',
'taxclass' => { label=>'Tax class', type=>'select-taxclass', },
sub option_fields {
(
'percent' => { label=>'Percent', size=>2, },
'reason' => 'Reason',
'taxclass' => { label=>'Tax class', type=>'select-taxclass', },