PortsToronto operates in accordance with a Letters Patent, which outlines the activities that can be undertaken by the organization. Click on the links below to download the documents in PDF format. A PDF reader is required to read the documents. Toronto Port Authority Letters Patent Supplementary Letters Patent (December 2003) Supplementary Letters Patent (January 2004) Supplementary Letters Patent (December 2008) Supplementary Letters Patent (June 2010) Supplementary Letters Patent (March 2012) Supplementary Letters Patent (July 2012) Supplementary Letters Patent (July 2014) Supplementary Letters Patent (April 2016) Supplementary Letters Patent (April 2017) Supplementary Letters Patent (May 2019) Supplementary Letters Patent (December 2021)