229A.11  Subsequent discharge or transitional release petitions — limitations.
  Nothing in this chapter shall prohibit a person from filing a petition for discharge or placement in a transitional release program, pursuant to this chapter. However, if a person has previously filed a petition for discharge or for placement in a transitional release program without the authorization of the director of human services, and the court determines either upon review of the petition or following a hearing that the petition was frivolous or that the petitioner’s condition had not so changed that the person was not likely to engage in predatory acts constituting sexually violent offenses if discharged, or was not suitable for placement in the transitional release program, then the court shall summarily deny the subsequent petition unless the petition contains facts upon which a court could find the condition of the petitioner had so changed that a hearing was warranted. Upon receipt of a first or subsequent petition from a committed person without the director’s authorization, the court shall endeavor whenever possible to review the petition and determine if the petition is based upon frivolous grounds. If the court determines that a petition is frivolous, the court shall dismiss the petition without a hearing.
98 Acts, ch 1171, §11; 2002 Acts, ch 1139, §16, 27