According to the news item, this year Iraq would ban the immunity towards

News Item 1
    Prime Minister Maliki said the pull-out was according to schedule and that both sides were obliged to carry it out.
    But, speaking Saturday, he noted that any chance of extending the mission collapsed over the issue of immunity.
    The Prime Minister said Iraqi political factions rejected the notion of US forces in Iraq working outside Iraqi laws. (6) The ban on immunity appeared to extend to any American military personnel sent to Iraq after this year to provide training.
    The US had been firm that its forces would have immunity, a protection provided by other countries where American troops are stationed.
    Despite the impasse, US Secretary of State Hillary Clinton said Saturday that the withdrawal will not end American commitment to Iraq. During a visit to Tajikistan, Clinton added that instead, it marked a new phase of US-Iraqi relations and that American would have a continuing, "robust" presence in the region.