The Department of Transportation and Infrastructure Renewal advises new Securing of Loads on Vehicle Regulations have been enacted, effective December 14, 2006.
The Regulations adopt by reference the National Safety Code Standard 10: Cargo Securement, for all vehicles with a registered gross vehicle weight greater than 4,500 kg. For vehicles with a registered gross vehicle weight of 4,500 kg or less, the Regulations provide general securement rules. TheRegulations retain the requirements for tarping from the previous regulations.
Standard 10, and related information, is available at here,
As of January 1, 2010, it will be required that all tie-downs and tie-down devices be marked with the manufacturer's working load limit. Until January 1, 2011, there will be a transition and education period that will consist of verbal direction and written warnings. Click herefor more information.
Here is the electronic version of the Securing Loads on Vehicles Regulations.