(4) The owner of a derelict vehicle, white goods or any other type of scrap metal shall remove the derelict vehicle, white goods or any other type of scrap metal within 7 days of the notice or, in the event of failure to so remove, the authorized officer shall cause the derelict vehicle, white goods or any other type of scrap metal to be removed and the owner liable for any costs, reasonably incurred in connection with the removal.