49 CFR § 399.209 - Test procedures.

---
identifier: "/us/cfr/t49/s399.209"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 399.209 - Test procedures."
title_number: 49
title_name: "Transportation"
section_number: "399.209"
section_name: "Test procedures."
chapter_name: "FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "B"
subchapter_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS"
part_number: "399"
part_name: "EMPLOYEE SAFETY AND HEALTH STANDARDS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 31502; and 49 CFR 1.87."
regulatory_source: "44 FR 43732, July 26, 1979, unless otherwise noted."
cfr_part: "399"
---


# 399.209 Test procedures.

(a) The force exerted on a handhold will be measured using a handheld spring scale or force transducer which can be attached to the vehicle and is free to rotate into alignment with a person's hand position.

(b) Hand grasp will be evaluated by observing the handgrip of any individual who conforms with the definition of “person” appearing in § 399.205 of this subpart.