=item exempt_amount
+=item taxname - if defined, printed on invoices instead of "Tax"
+
=back
=head1 METHODS
|| $self->ut_float('tax')
|| $self->ut_textn('taxclass') # ...
|| $self->ut_money('exempt_amount')
- ;
+ || $self->ut_textn('taxname')
+ || $self->SUPER::check
+ ;
+
}