def METHOD_NAME(doc):
    """
    Thanks to the update (4) we should move fcs-related
    existing config 'fcs_search_attributes' to the new
    'fcs' section.
    """
    srch2 = doc.find('/fcs')
    srch2.tail = '\n    '
    new_elm = etree.SubElement(srch2, 'search_attributes')
    new_elm.tail = '\n    '
    srch = doc.findall('/corpora/fcs_search_attributes/item')
    for item in srch:
        new_item = etree.SubElement(new_elm, 'item')
        new_item.text = item.text
        new_item.tail = '\n            '
    rm_srch = doc.find('/corpora/fcs_search_attributes')
    if rm_srch is not None:
        rm_srch.getparent().remove(rm_srch)