All maple syrup sold in Ontario must be graded and classified for colour. The system for grading depends on whether a producer is regulated under provincial or federal regulations. Both the federal and provincial governments have recently passed new regulations for the grading of maple syrup, and for the most part the federal and provincial grading requirements are aligned with each other. These recent changes reflect the recommendations made by the International Maple Syrup Institute (IMSI) to all maple syrup producing areas in North America.
For specific details on the Ontario regulations, see the provincial grade and colour classification requirements in Ontario Regulation 119/11 Produce, Honey and Maple Products under the Food Safety and Quality Act, 2001.
Federal requirements are administered by the Canadian Food Inspection Agency (CFIA) who is responsible the food safety and quality of maple products in Canada They are responsible for the "federal" classification of maple syrup as provided for in the Maple Product Regulations (MPR) under the Canada Agricultural Products Act.
All retail maple syrup, sold by Ontario producers, regardless of grade, must contain a minimum sugar content of 66 percent and be created exclusively from the concentration of maple sap.
Under the provincial regulations, maple syrup may be graded only if the maple syrup is: