A creditor shall not refuse to enter into a consumer credit transaction or impose finance charges or other terms or conditions more onerous than those regularly extended by that creditor to consumers of similar economic backgrounds due to any of the following:
1. The age, color, creed, national origin, political affiliation, race, religion, sex, marital status, or disability of the consumer.
2. The consumer receives public assistance, social security benefits, pension benefits, or the like.
3. The exercise by the consumer of rights pursuant to this chapter or the federal Consumer Credit Protection Act, 15 U.S.C. §1601 et seq.
Unfair credit practices under Iowa civil rights Act; see §216.10