Iowa Code § 48A.8
2. An eligible elector who registers by mail and who has not previously voted in an election for federal office in the county of registration shall be required to provide identification documents when voting for the first time in the county, unless the registrant provided on the registration form the registrant’s Iowa driver’s license number, or the registrant’s Iowa nonoperator’s identification card number, or the last four numerals of the registrant’s social security number and the driver’s license, nonoperator’s identification, or partial social security number matches an existing state or federal identification record with the same number, name, and date of birth. If the registrant under this subsection votes in person at the polls, or by absentee ballot at the commissioner’s office or at a satellite voting station, the registrant shall provide a current and valid photo identification card and shall present, as proof of residence, to the appropriate election official one of the following current documents that shows the name and address of the registrant:
2017 amendment to subsection 2 takes effect July 1, 2017, and applies to elections held on or after that date; 2017 Acts, ch 110, §35, 36; 2017 Acts, ch 170, §26
94 Acts, ch 1169, §9; 2004 Acts, ch 1083, §6, 37; 2009 Acts, ch 57, §15; 2015 Acts, ch 96, §9, 17; 2017 Acts, ch 110, §17, 35, 36
Referred to in §9E.6, 48A.25A, 48A.37, 49.77, 49.81, 53.38