Iowa Code § 29B.11: Reports and receiving of prisoners.

Every commander of a guard, master-at-arms, warden, keeper, or officer of a city or county jail or of any other jail, penitentiary, or prison, to whose charge a prisoner is committed shall, within twenty-four hours after that commitment or as soon as relieved from guard, report to the commanding officer of the prisoner the name of the prisoner, the offense charged against the prisoner, and the name of the person who ordered or authorized the commitment.