Iowa Code

Iowa Code § 321B.4 (2026)

Motor vehicle glass repair claims and practices

✓ current as of July 2026
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1. A motor vehicle glass repair shop shall not contract with a person to repair or replace damaged motor vehicle glass to be paid for under a first-party insurance policy until verifying all of the following:

a. The insured person has made a first-party claim for repairing or replacing damaged motor vehicle glass under a motor vehicle insurance policy.

b. The shop has received a claim or referral number for the claim referenced under paragraph “a”.

c. The requirements of section 321B.3, subsection 1, were followed.

2. A shop shall do all of the following:

a. Provide the insured person a good faith estimate of the fees and costs that are anticipated to be charged for repairing or replacing damaged motor vehicle glass.

b. Prior to performing any repair or replacement service, provide the insured person an updated estimate.

3. After repairing or replacing damaged motor vehicle glass, a shop shall provide the insured person all of the following, as applicable:

a. An itemized invoice and, upon payment, a receipt.

b. Notice that states whether the advanced driver assistance system was successfully calibrated or recalibrated.

c. If the calibration or recalibration was not successful, notice advising the insured person to not rely on the advanced driver assistance system until the system has been successfully calibrated or recalibrated by the vehicle manufacturer’s certified dealership or a qualified specialist capable of performing the calibration or recalibration. 2025 Acts, ch 58, §4, 10 Section applies to insurance policies issued or renewed on or after July 1, 2025; 2025 Acts, ch 58, §10 NEW section\n\nTue Dec 09 22:16:05 2025 Iowa Code 2026, Chapter 321B (20, 4) 3 MOTOR VEHICLE GLASS REPAIR, REPLACEMENT, AND INSURANCE, §321B.6 \n

Notes of Decisions
Cited in 60 cases (1 in the last 5 years), 1967–2024 · leading case: State of Iowa v. Carrie McIver, 858 N.W.2d 699 (Iowa 2015).
State of Iowa v. Carrie McIver, 858 N.W.2d 699 (Iowa 2015). · cites it 11× “” Compare Iowa Code § 321B.4 (1985), with 1986 Iowa Acts ch.”
Henry v. Iowa Dep't of Transp., Motor Veh. Div., 426 N.W.2d 383 (Iowa 1988). · cites it 20× “In this judicial review of a driver’s license revocation case, the Iowa Department of Transportation asks us to determine whether the “written request” provision of Iowa Code section 321B.4 (1985) requires a peace officer to complete an implied consent form before orally…”
State v. Stoneking, 379 N.W.2d 352 (Iowa 1985). · cites it 22× “Iowa Code § 321B.4. In this case it is undisputed that defendant’s blood test was administered slightly more than two hours after the preliminary breath test.”
State v. Martin, 383 N.W.2d 556 (Iowa 1986). · cites it 25× “See Iowa Code § 321B.4 (1983). A sample was withdrawn at 6:12 a.”
State v. Hansen, 203 N.W.2d 216 (Iowa 1972). · cites it 16× “These assignments are: (1) The court erred in giving Instruction 14 dealing with the statutory presumption arising from the presence of a specified percentage of alcohol in defendant's blood; and (2) The court erred in receiving the results of defendant's breath test made under…”
State v. Hraha, 193 N.W.2d 484 (Iowa 1972). · cites it 20× “) The legislature specified in section 321B.4 persons authorized to take the various tests: "Taking sample for test.”
State v. Wallin, 195 N.W.2d 95 (Iowa 1972). · cites it 14× “" Section 321B.4. These protective standards were adopted by the legislature both to protect the health of the person submitting to a test and to guarantee its accuracy for use in later judicial proceedings.”
State v. Owens, 418 N.W.2d 340 (Iowa 1988). · cites it 10× “14(1) provides: Refusal to consent to a test under section 321B.4 does not prohibit the withdrawal of a specimen for chemical testing pursuant to a search warrant issued in the investigation of a suspected violation of section 707.”
State v. DeBerg, 288 N.W.2d 348 (Iowa 1980). · cites it 14× “Defendant also objected to the evidentiary foundation of the blood test due to the fact that it had not been established that the needles, syringes and other instruments used were new, factory wrapped and disposable as required by section 321B.4. Additionally, DeBerg contended…”
Janson v. Fulton, 162 N.W.2d 438 (Iowa 1968). · cites it 12× “Code section 321B.4 of our Implied Consent Law provides in part: “Only a licensed physician, or a medical technologist or registered nurse designated by a licensed physician as his representative, acting at the written request of a peace officer may withdraw such body substances…”
Downing v. Iowa Dep't of Transp., 415 N.W.2d 625 (Iowa 1987). · cites it 11× “See Iowa Code § 321B.4 *626 (1985). 1 After a summary revocation by the police officer and an administrative hearing, the DOT revoked Downing’s license for 240 days under Iowa Code section 321B.”
State v. Charlson, 154 N.W.2d 829 (Iowa 1967). · cites it 12× “" The quoted words are found in Code section 321B.4, part of chapter 321B, commonly called the Implied Consent Law.”
— Iowa Code § 321B.4(1) — 4 cases
State v. Owens, 418 N.W.2d 340 (Iowa 1988). “14(1) provides: Refusal to consent to a test under section 321B.4 does not prohibit the withdrawal of a specimen for chemical testing pursuant to a search warrant issued in the investigation of a suspected violation of section 707.”
State v. Martin, 383 N.W.2d 556 (Iowa 1986). “See Iowa Code § 321B.4 (1983). A sample was withdrawn at 6:12 a.”
Downing v. Iowa Dep't of Transp., 415 N.W.2d 625 (Iowa 1987). “See Iowa Code § 321B.4 *626 (1985). 1 After a summary revocation by the police officer and an administrative hearing, the DOT revoked Downing’s license for 240 days under Iowa Code section 321B.”
— Iowa Code § 321B.4(1)(b) — 1 case
State v. Kelly, 430 N.W.2d 427 (Iowa 1988).
— Iowa Code § 321B.4(1966) — 2 cases
State of Iowa v. Carrie McIver, 858 N.W.2d 699 (Iowa 2015). “” Compare Iowa Code § 321B.4 (1985), with 1986 Iowa Acts ch.”
— Iowa Code § 321B.4(1983) — 1 case
Hemphill v. Iowa Dep't of Transp., 379 N.W.2d 907 (Iowa 1986).
— Iowa Code § 321B.4(2) — 8 cases
State v. Stoneking, 379 N.W.2d 352 (Iowa 1985). “Iowa Code § 321B.4. In this case it is undisputed that defendant’s blood test was administered slightly more than two hours after the preliminary breath test.”
State v. Owens, 418 N.W.2d 340 (Iowa 1988). “14(1) provides: Refusal to consent to a test under section 321B.4 does not prohibit the withdrawal of a specimen for chemical testing pursuant to a search warrant issued in the investigation of a suspected violation of section 707.”
State v. Martin, 383 N.W.2d 556 (Iowa 1986). “See Iowa Code § 321B.4 (1983). A sample was withdrawn at 6:12 a.”
Mary v. Iowa Dep't of Transp., 382 N.W.2d 128 (Iowa 1986).
— Iowa Code § 321B.4(l)(a) — 1 case
State v. Martin, 383 N.W.2d 556 (Iowa 1986). “See Iowa Code § 321B.4 (1983). A sample was withdrawn at 6:12 a.”
— Iowa Code § 321B.4(l)(b) — 4 cases
State v. Kelly, 430 N.W.2d 427 (Iowa 1988).
Henry v. Iowa Dep't of Transp., Motor Veh. Div., 426 N.W.2d 383 (Iowa 1988). “In this judicial review of a driver’s license revocation case, the Iowa Department of Transportation asks us to determine whether the “written request” provision of Iowa Code section 321B.4 (1985) requires a peace officer to complete an implied consent form before orally…”
State v. Martin, 383 N.W.2d 556 (Iowa 1986). “See Iowa Code § 321B.4 (1983). A sample was withdrawn at 6:12 a.”
State v. Mary, 368 N.W.2d 166 (Iowa 1985).
— Iowa Code § 321B.4(l)(d) — 1 case
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