Line 13000 - Other income contains taxable income not included in other categories. Common sources of other income include scholarships/bursaries, retiring allowances, lump-sum payments, death benefits, and payments from a Registered Education Savings Plan (RESP).
Other Income amounts can come from a number of sources, including Box 66 or 67 from your T4 slip.
This Canada Revenue Agency (CRA webpage has more information on Line 13000 - Other income: Line 13000 – Other Income
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