18 USC 2723 - Penalties

(a) Criminal Fine.— 
A person who knowingly violates this chapter shall be fined under this title.
(b) Violations by State Department of Motor Vehicles.— 
Any State department of motor vehicles that has a policy or practice of substantial noncompliance with this chapter shall be subject to a civil penalty imposed by the Attorney General of not more than $5,000 a day for each day of substantial noncompliance.