Section 1712. By whom maintainable

The special proceeding may be maintained
  by  the  general or testamentary guardian of the property of the infant,
  by the committee of the  property  of  the  incompetent  person  or  the
  conservator  of  the  property of the conservatee, or by any relative or
  other person in behalf of the infant, incompetent person, or conservatee
  or by an infant of the age of fourteen years or over in his own behalf.
    The special proceeding may be  maintained,  in  a  case  specified  in
  subdivisions  3  and  4  of  section  1711,  by a person entitled to the
  conveyance; and, also, in a case specified  in  subdivision  4  of  that
  section,  by  the  executor  or administrator of the person who made the
  contract, or of a person who  died  seized  or  possessed  of  the  real
  property  or  interest  in  real  property,  or by an heir or devisee of
  either of those persons, to whom the real property or interest  in  real
  property has descended or was devised. Where the proceeding is in behalf
  of  an infant of the age of fourteen years or over the infant shall join
  therein.