Rules: fire at adding term only when one of this term anscestors is other specific term
Write your own condition for rules

function mymodule_rules_condition_info() {
  return array(
    'mymodule_condition_needs_veryfication' =&gt; array(
      'label' =&gt; t('ONE OF THE ANCESTORS of created term is specific term'),
      'group' =&gt; t('mymodule'),
      'arguments' =&gt; array(
        'aplication_node' =&gt; array(
            'type' =&gt; 'node',
            'label' =&gt; t('A fancy condition'),
        ),
      ),
      'module' =&gt; 'mymodule',
    ),
  );
}
function mymodule_condition_needs_veryfication($node) 
  if(condition($node))
    return true;
  return false;
}