The Contractor shall, on an as needed basis allow Prince William County Government owned/leased vehicles, and vehicles driven by companies working for Prince William County Government for delivery and dumping of debris into Contractor's legally permitted and operated Landfill during Contractor's regular business hours. Prince William County Government owned/leased vehicles will display the Prince William County emblem on the vehicle door. The County vehicle number shall be listed on each dumping ticket. Companies working for the County will carry a county dumping authorization letter or the vehicle will be accompanied by a Prince William County employee with County ID card who will authorize the dumping. For companies dumping debris, the dumping ticket shall reflect the company name, license plate number, the county employee's name, and ID number who gave authorization.