48 CFR § 26.603 - 26.603 Definitions.

---
identifier: "/us/cfr/t48/s26.603"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 26.603 - 26.603   Definitions."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "26.603"
section_name: "26.603   Definitions."
chapter_number: 1
chapter_name: "FEDERAL ACQUISITION REGULATION"
subchapter_number: "D"
subchapter_name: "SOCIOECONOMIC PROGRAMS"
part_number: "26"
part_name: "OTHER SOCIOECONOMIC PROGRAMS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "41 U.S.C. 1121(b); 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113."
regulatory_source: "56 FR 41737, Aug. 22, 1991, unless otherwise noted."
cfr_part: "26"
---


# 26.603 26.603   Definitions.

As used in this subpart—

*Driving*—(1) Means operating a motor vehicle on an active roadway with the motor running, including while temporarily stationary because of traffic, a traffic light, stop sign, or otherwise.

(2) Does not include operating a motor vehicle with or without the motor running when one has pulled over to the side of, or off, an active roadway and has halted in a location where one can safely remain stationary.

*Text messaging* means reading from or entering data into any handheld or other electronic device, including for the purpose of short message service texting, e-mailing, instant messaging, obtaining navigational information, or engaging in any other form of electronic data retrieval or electronic data communication. The term does not include glancing at or listening to a navigational device that is secured in a commercially designed holder affixed to the vehicle, provided that the destination and route are programmed into the device either before driving or while stopped in a location off the roadway where it is safe and legal to park.