Argentinean website Rallynoticias.com is saying that Citroen reserved space for 3 cars in the service park.
They're are saying that either Loeb or 2014 WTCC champion Pechito Lopez could be entered.

They also say that it could be for Chardonnet or Lefevbre with the R5.

http://rallynoticias.com/nivel2.php?id_noticia=9303