Iowa Code Title XI. Natural Resources [Chs. 455-485] § 481A.66. Banding or marking

It shall be unlawful for any person to capture birds or animals for banding purposes except that the commission may, after investigation, issue a permit to any person permitting the person to capture birds or animals for the purpose of banding or marking same for scientific study, but no such birds or animals may be killed or injured or retained in possession, but must be liberated safely and promptly. Such permit may be revoked at any time for cause. Each holder of such permit shall report to the commission once each month the number, kind of birds or animals banded, and the band numbers.