Iowa Code § 9B.8: Authority to refuse to perform notarial act.

1. A notarial officer may refuse to perform a notarial act if the notarial officer is not satisfied that any of the following apply:

a. The individual executing the record is competent or has the capacity to execute the record.

b. The individual’s signature is knowingly and voluntarily made.

2. A notarial officer may refuse to perform a notarial act unless refusal is prohibited by law other than this chapter.

3. A notarial officer shall not condition the performing of notarial services upon the requirement that the person served be a customer or client of the establishment by which the notarial officer is employed. The employer of a notary public shall not condition the performing of a notarial service upon the requirement that the person served be a customer or client of the establishment by which the notary public is employed.