In the place list (separated by commas) entries generated by concatenating ofr_tourop and obj_code, example:

  <conditions>
    <obj_tourOpAndCode>TUIP_NBE11060,ADR_APPMED,NPL_60086F</obj_tourOpAndCode>
    (...)

There is also the possibility of grouping offers into one field, but you must type in your query groups and insert its name in the field group_by,example:

  <request>
    <type>groups</type>
    <conditions>
      <group_by>obj_tourOpAndCode</group_by>
    (...)