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Individuals 514.873.2600
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Corporations 800.450.4155
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Deductions at source 888.413.2277
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Sales taxes (GST/QST) 514.873.4692, 800.567.4692
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Individuals 800.959.7383
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Corporations 800.959.7775
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Income taxes refund 800.959.1958
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Child care benefits 800.387.1194
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Goods and services tax (GST) credits 800.959.1954
Others - qualifications
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