 void FormAssociatedElement::setForm(HTMLFormElement* newForm)
{
    if (m_form == newForm)
        return;
    willChangeForm();
    if (m_form)
        m_form->removeFormElement(this);
    m_form = newForm;
    if (m_form)
        m_form->registerFormElement(*this);
    didChangeForm();
}

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.