Iowa Code § 91C.3
1. The registration application shall be in the form prescribed by the labor commissioner, shall be accompanied by the registration fee prescribed pursuant to section 91C.4, and shall contain information which is substantially complete and accurate. In addition to the information determined by the labor commissioner to be necessary for purposes of section 91C.2, the application shall include information as to each of the following:
88 Acts, ch 1162, §4; 90 Acts, ch 1136, §11; 2008 Acts, ch 1032, §201