WCS Permits & Pilot Cars Permit Attachments app provides oversize load permit attachments and other necessary documents for the United States & Canadian Provinces. All documents are available to send by email or print when necessary. The App also directly connects you to other services you may need such as pilot cars, permits and our online equipment store where you can buy oversize load banners, high poles, safety apparel and more. Download for the road and have all the information you need in one place.