Units that need to apply for the "muck certificate" shall be handled by the carrier unit at the application window of the local traffic police branch at the place of origin (site location). Motor vehicles carrying muck, in addition to the installation and pasting of body reflective signs that meet the requirements, must also submit the original of the Urban Construction Waste Disposal Permit (one vehicle and one license); Original "Driving License" for motor vehicles carrying muck; Motor vehicles carrying muck have obtained motor vehicle environmental protection mark certificates.
It seems that every city is different. Just asking.