Iowa Code § 16.17
1. The authority shall adopt pursuant to chapter 17A all rules necessary to administer this chapter.
b. Any rule necessary to assure eligibility for funds, insurance, or guaranties available under federal laws and to carry out the public purposes of subchapter VIII.
3. The authority may adopt rules relating to the purchase and sale of residential mortgage loans and the sale of mortgage-backed securities.
2. The authority may adopt rules which establish further definitions applicable to this chapter and clarify the definitions in this chapter, as the authority deems convenient and necessary to carry out the public purposes of this chapter including all the following:
2014 Acts, ch 1080, §26, 78; 2015 Acts, ch 30, §18