Iowa Code § 321.449B: Texting or using a mobile telephone while operating a commercial motor vehicle.

1. a. A person subject to rules adopted by the department of public safety pursuant to section 321.449 shall not operate a commercial motor vehicle while engaged in texting as prohibited by 49 C.F.R. §392.80, except in an emergency or as otherwise permitted under 49 C.F.R. §392.80.

b. A person subject to rules adopted by the department of public safety pursuant to section 321.449 shall not operate a commercial motor vehicle while using a hand-held mobile telephone as prohibited by 49 C.F.R. §392.82, except in an emergency or as otherwise permitted under 49 C.F.R. §392.82.

2. a. A person convicted of a violation of this section is guilty of a simple misdemeanor punishable as a scheduled violation under section 805.8A, subsection 13, paragraph “b”.

b. A violation of this section shall be considered a moving violation for the purposes of this chapter and rules adopted pursuant to this chapter.

c. A conviction for a violation of this section shall be in lieu of a conviction for a violation of section 321.276 if the violations are based on the same facts and circumstances.