This document provides information about customs procedures in Canada, including important dates for assignments and exams. It discusses the Accelerated Commercial Release Operations Support System (ACROSS), which is used by the Canada Border Services Agency (CBSA) to receive electronic release and invoice data. ACROSS allows for the electronic confirmation of goods using various formats. The document outlines the different options for releasing goods, including Release on Minimum Documentation (RMD), Pre-Arrival Review System (PARS), Integrated Import Declaration (IID), and more. It also discusses requirements for posting security to release goods before duties and taxes are paid.