After you file your tax return the Canada Revenue Agency (CRA) will review the information you submitted and confirm the calculations are correct. They may compare your return with information received from third parties, such as your employers and financial institutions.If you are owed a refund, you will get a direct deposit into your bank account. You can expect your tax return in about 2 weeks if you used NETFILE, and 4 - 6 weeks if you filed it by mail.ee information about CRA penalties and interest rates. When you file your tax return, the federal government determines if you are eligible for benefits, such as the Canada Child Tax Benefit (CCTB) , the Ontario Child Benefit, or the Harmonized Sales Tax (HST) credit.