49 CFR §399.209
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (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.