Transportation Code · Art. 17.441

Ignition Interlock Required Conditions of Bond

Ignition Interlock Required Conditions of Bond is covered under Art. 17.441 and tested on the TCOLE peace officer licensing exam. Cadets typically encounter this topic under "Equipment" on practice exams.

To prove this offense, the State must establish each of the following elements: Bond condition for DWI 2nd+, BAC 0.15+, intox assault, intox manslaughter, DWI w/ child; Probation and ODL condition for many DWI cases; Periodic monitoring required.

Elements you must prove

  • Bond condition for DWI 2nd+, BAC 0.15+, intox assault, intox manslaughter, DWI w/ child
  • Probation and ODL condition for many DWI cases
  • Periodic monitoring required

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Worked examples

Worked example 1

An Ignition Interlock Device (IID) is required by §17.441 / §521.246 for:

  1. All drivers in Texas
  2. Persons released on bond after a DWI arrest with priors, DWI 0.15+, intox assault, intox manslaughter, or DWI with child passenger; and as a condition of probation/ODL on conviction in many cases Correct
  3. First-time speeders
  4. All license renewals
Why: IID is required at bond for many DWI categories, and on community supervision for repeat or aggravated DWIs and ODLs in those categories.
Statute: Tex. Code Crim. Proc. art. 17.441; Tex. Transp. Code §521.246

Statutory definitions for this topic

Ignition Interlock Device (IID) Tex. Code Crim. Proc. art. 17.441; Tex. Transp. Code §521.246
A breath-alcohol device installed on a vehicle that prevents the engine from starting if alcohol is detected. Required at bond for many DWI categories (DWI 2nd+, BAC 0.15+, intox assault/manslaughter, DWI w/ child) and as a probation/ODL condition for many DWI cases.