Princess Cristina, the daughter of Spain's King Juan Carlos, is under investigation for possible tax fraud and money laundering, the latest blow to the Spanish royal family's reputation.
Palma de Mallorca court judge Jose Castro on Friday asked tax authorities for information regarding Cristina's property and investments as well as finances relating to her partnership with her husband Inaki Urdangarin in a firm called Aizoon.
The court recently withdrew a subpoena against the 47-year-old princess for questioning over the alleged embezzlement of public funds by Urdangarin, but said she could still be called to answer questions regarding their finances.
Friday's decision comes after a year of health and image problems for the 75-year-old Juan Carlos, once one of Spain's most respected figures. There was no immediate comment from the palace.