(a) Maximum driving time. Except for intrastate carrier tows and recovering operations provided at the request of a law enforcement agency for public safety purposes, no motor carrier shall permit or require any driver used by it to drive nor shall any driver exceed the hours for service for drivers as provided in 49 CFR Part 395, as may be amended from time to time.
(b) Drivers may be declared out of service for violations of this section or 49 CFR Part 395 as may be amended from time to time.