A payment stub has been put into the portal that you can print and take to the bank and make the payment yourself
You must remit (pay) electronically or at a bank if your payment is more than $10,000.
If you are paying online through your online bank system. We are not familiar with all bank systems so you will need to contact your bank if you are having issues making this payment online.
You can also pay using your bank card through the CRA My Payments web page: www.canada.ca/en/revenue-agency/services/e-services/payment-save-time-pay-online.html
If you opt to mail in your cheque, please mail it in with the payment stub provided in your portal (warning: there is a penalty to do this if your amount is over $10,000)