/th>
      <td><p>The mode (numeric or integer) of the returned vector.</p></td>
    </tr>
    <tr>
      <th>allow.forecasts</th>
      <td><p>should dates beyond 2019-20 be permitted? Currently, not permitted.</p></td>
    </tr>
    <tr>
      <th>.debug</th>
      <td><p>(logical, default: <code>FALSE</code>)  If <code>TRUE</code>, returns a <code>data.table</code> containing the components of income tax calculated. (This argument and its result is liable to change in future versions, possibly without no