For those that are curious here is the law on front plates.
Furnished. The director shall furnish to all persons making satisfactory application for a vehicle registration:
(i) Two identical license plates each containing the license plate number; or
(ii) One license plate if the vehicle is a trailer, semitrailer, camper, moped, collector vehicle, horseless carriage, or motorcycle.
(b) The director may adopt types of license plates to be used as long as the license plates are legible.
License plates must be:
(i) Attached conspicuously at the front and rear of each vehicle if two license plates have been issued;
(ii) Attached to the rear of the vehicle if one license plate has been issued;
(iii) Kept clean and be able to be plainly seen and read at all times; and
(iv) Attached in a horizontal position at a distance of not more than four feet from the ground.
(b) The Washington state patrol may grant exceptions to this subsection if the body construction of the vehicle makes compliance with this section impossible
On the topic of HIDS, this is where washington will get you with them. putting aftermarket hids in a car that has Halogen headlights stock can often result in a scattered beam.... this is washingtons law
The head lamps shall be so aimed that when the vehicle is not loaded none of the high intensity portion of the light shall at a distance of twenty-five feet ahead project higher than a level of five inches below the level of the center of the lamp from which it comes, and in no case higher than forty-two inches above the level on which the vehicle stands at a distance of seventy-five feet ahead;