Authorized agents of transportation services discovering an apparently abandoned motor vehicle shall attach to the motor vehicle a readily visible notification sticker warning of impoundment if the motor vehicle is not removed within seventy-two hours from the time the sticker is attached. The sticker shall contain the following information:

(1) The date and time sticker was attached;

(2) A statement that if the motor vehicle is not removed within seventy-two hours from the time the sticker is attached, the motor vehicle will be impounded; and

(3) The address and telephone number where additional information may be obtained.

If the motor vehicle is not removed within seventy-two hours, the motor vehicle shall be impounded as described in WAC 478-116-351.