1. Sign in to your financial institution's online banking service for individuals.

 2.  Under "Add a payee" look for an option:    

 CRA (revenue) – tax amount owing Use this option to make a payment for any amount owing, as shown on       your notice of assessment/reassessment, on your statement of account, remittance voucher, or in letters            issued by the Canada Revenue Agency.

 3. Enter your 9-digit social insurance number as your CRA account number.
 Make sure the number is accurate so that the CRA can apply your payment correctly.

link to TurboTax article: How to Pay Your Taxes if you Owe (intuit.ca)

link to Canada Revenue Agency : Pay by online banking - Canada.ca

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