Contractor Invoice Generic Form Home Contractor Invoice Generic Form Bill to: Bill To: CADTH 865 Carling Avenue, Suite 600 Ottawa, Ontario K1S 5S8 Date Purchase Order # Invoice # Vendor Name Vendor Address Attach your Invoice Choose file You have the option to attach your invoice instead of filling the generic form below. Please hit Submit when you are done uploading your file. Unlimited number of files can be uploaded to this field. 4 MB limit. Allowed types: gif, jpg, png, pdf, doc, docx, xls, xlsx. Description Please provide project number and description.