Iowa Code § 582.2
No such lien shall be effective, however, unless a written notice containing the name and address of the injured person, the date of the accident, the name and location of the hospital, and the name of the person or persons, firm or firms, corporation or corporations alleged to be liable to the injured party for the injuries received, shall be filed in the office of the clerk of the district court of the county in which such hospital is located, prior to the payment of any moneys to such injured person, the person's attorneys or legal representative, as compensation for such injuries; nor unless the hospital shall also mail, postage prepaid, a copy of such notice with a statement of the date of filing thereof to the person or persons, firm or firms, corporation or corporations alleged to be liable to the injured party for the injuries sustained prior to the payment of any moneys to such injured person, the person's attorneys or legal representative, as compensation for such injuries. Such hospital shall mail a copy of such notice to any insurance carrier which has insured such person, firm or corporation against such liability, if the name and address shall be known. Such hospital shall also mail a copy of such notice to the injured person or to the injured person's attorney or legal representative, if known.
Iowa Code § 582.2
Referred to in §582.1A, 582.3