Private - for internal use only. Upload a legible picture or scan of shop invoice or work order, showing the installation date.If there's more than one page, a complete work order / invoice must be uploaded (please use the additional page fields or upload a multi-page PDF). Registrations with incomplete document uploads will not be processed.PDF files, JPG and PNG pictures only. 20MB max upload size. TIP: if you're on mobile device, you can use your camera to take the picture.