According to the Canada Revenue Agency (CRA), there are a select following of categories that can be considered as business expenses. The list goes as follows:
After investigation of the miscellaneous category (Other Business Expenses) there is nothing for course fees. It may be deducted as tuition fees, however.
For more information, check out: Canada Revenue Agency (CRA) - Business Expenses
And also, Canada Revenue Agency (CRA) - Eligible Tuition Fees
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