648.1A  Nonprofit transitional housing exempted.
  This chapter shall not apply to occupancy in housing owned by a nonprofit organization whose purpose is to provide transitional housing for persons released from drug or alcohol treatment facilities or to provide housing for homeless persons. Absent an applicable provision in a lease, contract, or other agreement, a person who unlawfully remains on the premises of such housing may be subject to criminal trespass penalties pursuant to section 716.8.
2003 Acts, ch 154, §3