# Iowa · windshield — State Window Tint Darkness (VLT%) Limits by Window Position For Iowa · windshield, jurisdiction is Iowa; window position is windshield; vlt min is seventy percent; statute citation is Iowa Code 321.438(2)(a)(1), as amended by House File 766 (91st G.A.), effective 1 July 2026, recorded from its source on 2026-08-28. - **jurisdiction:** Iowa _(our reading, not quoted from the source)_ - **window position:** windshield _(our reading, not quoted from the source)_ - **vlt min:** seventy percent _(verified: appears in the quote below)_ - **statute citation:** Iowa Code 321.438(2)(a)(1), as amended by House File 766 (91st G.A.), effective 1 July 2026 _(our reading, not quoted from the source)_ ## What the source says > Section 1. Section 321.438, subsection 2, Code 2025, is 2 amended to read as follows: 3 2. a. A person shall not operate on the highway a motor 4 vehicle equipped with a front windshield, a any of the 5 following: 6 (1) A front windshield that meets a minimum standard of 7 transparency of less than seventy percent light transmittance. ## Source - https://www.legis.iowa.gov/docs/publications/LGE/91/HF766.pdf Last verified: 2026-08-28. Review by: 2027-02-24. Part of [State Window Tint Darkness (VLT%) Limits by Window Position](https://referencesource.org/state-window-tint-vlt-limits/).