Iowa Code § 233A.8: Articles of agreement.

A child placed in foster care as provided in section 233A.7 shall be placed under articles of agreement, approved by the director and signed by the person or persons providing foster care and by the superintendent. The articles of agreement shall provide for the custody, care, education, maintenance, and earnings of the child for a time specified in the articles, which shall not extend beyond the time the child attains eighteen years of age.