For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

GENERAL PRINCIPLES

Iowa Code tit. XV, ch. 622, subch. I
in effect

Iowa Code § 622.1 Certification under penalty of perjury.

Iowa Code § 622.2 Credibility.

Iowa Code § 622.3 Interest.

Iowa Code § 622.4 Medical expenses.

Iowa Code § 622.8 Witness for each other.

Iowa Code § 622.9 Communications between husband and wife.

Iowa Code § 622.10 Communications in professional confidence — exceptions — required consent to release of medical records after commencement of legal action — application to court.

Iowa Code § 622.10A Tax advice — confidential communications.

Iowa Code § 622.11 Public officers.

Iowa Code § 622.13 Civil liability.

Iowa Code § 622.21 Writing and printing.

Iowa Code § 622.22 Understanding of parties to agreement.

Iowa Code § 622.23 Historical and scientific works.

Iowa Code § 622.24 Subscribing witness — substitute proof.

Iowa Code § 622.25 Handwriting.

Iowa Code § 622.26 Private writing — acknowledgment.

Iowa Code § 622.27 Entries and writings of deceased person.

Iowa Code § 622.28 Writing or record — when admissible — absence of record — effect.

Iowa Code § 622.30 Photographic copies — originals destroyed.

Iowa Code § 622.31 Evidence of regret or sorrow.

Iowa Code § 622.31A Evidence — victims of sexual abuse.

Iowa Code § 622.31B Admissibility of evidence in certain physical abuse and sexual offense cases.

Iowa Code § 622.32 Statute of frauds.

Iowa Code § 622.33 Exception.

Iowa Code § 622.34 Contract not denied in the pleadings.

Iowa Code § 622.35 Party made witness.

Iowa Code § 622.36 Instruments affecting real estate — adoption of minors.

Iowa Code § 622.41 United States and state patents.

Iowa Code § 622.42 Field notes and plats.

Iowa Code § 622.43 Records and entries in public offices.

Iowa Code § 622.44 Copies of books of original entries.

Iowa Code § 622.45 Additional entries.

Iowa Code § 622.46 Officer to give copies of records.

Iowa Code § 622.47 Maps in office of surveyor general.

Iowa Code § 622.48 Certificate as to loss of paper.

Iowa Code § 622.49 Duplicate receipt of receiver of land office.

Iowa Code § 622.50 Certificate of register or receiver.

Iowa Code § 622.51 Official signature presumed genuine.

Iowa Code § 622.51A Computer printouts.

Iowa Code § 622.52 Effect on rules.

Iowa Code § 622.53 Judicial record — state or federal courts.

Iowa Code § 622.54 Of a justice of the peace.

Iowa Code § 622.55 Of a foreign country.

Iowa Code § 622.56 Presumption of regularity.

Iowa Code § 622.57 Executive acts.

Iowa Code § 622.58 Proceedings of legislature.

Iowa Code § 622.59 Printed copies of statutes.

Iowa Code § 622.60 Written law or public writing.

Iowa Code § 622.61 Foreign unwritten law.

Iowa Code § 622.62 Ordinances of city.

Iowa Code § 622.63 Subpoenas.

Iowa Code § 622.64 Proof of service — costs.

Iowa Code § 622.65 To whom directed — duces tecum.

Iowa Code § 622.66 How far compelled to attend.

Iowa Code § 622.67 Deposit — effect.

Iowa Code § 622.69 Witness fees.

Iowa Code § 622.70 Attorney, juror, or officer.

Iowa Code § 622.71 Certain witness fees prohibited.

Iowa Code § 622.71A Volunteer fire fighters — witness compensation.

Iowa Code § 622.72 Expert witnesses — fee.

Iowa Code § 622.74 Fees in advance.

Iowa Code § 622.75 Reimbursement to party, county, or city.

Iowa Code § 622.76 Failure to attend or testify — liability.

Iowa Code § 622.77 Proceedings for contempt.

Iowa Code § 622.78 Serving subpoena.

Iowa Code § 622.79 When party fails to obey subpoena.

Iowa Code § 622.80 Pleading taken as true.

Iowa Code § 622.81 Authority to subpoena.

Iowa Code § 622.82 Prisoner produced.

Iowa Code § 622.83 Deposition of prisoner.

Iowa Code § 622.84 Subpoenas — enforcing obedience.

Iowa Code § 622.85 Affidavits — before whom made.

Iowa Code § 622.86 Foreign affidavits.

Iowa Code § 622.87 How affidavits compelled.

Iowa Code § 622.88 Subpoena issued.

Iowa Code § 622.89 Notice.

Iowa Code § 622.90 Cross-examination.

Iowa Code § 622.91 Signature and seal — presumption.

Iowa Code § 622.92 Newspaper publications — how proved.

Iowa Code § 622.93 Applicability in certain counties.

Iowa Code § 622.94 Proof of serving or posting notices.

Iowa Code § 622.95 Other facts.

Iowa Code § 622.96 How perpetuated — presumption of fact.

Source: Iowa Legislature (legis.iowa.gov)URL: https://www.legis.iowa.gov/law/iowaCode/sections?codeChapter=622&year=2026Fetched: 10/20/2026