Note
If you do not have a Web Access Code, call our Help Desk at 1-877-322-7849.
You have to use a compatible Web browser that has 128-bit secure sockets layer encryption (SSL) and must conform to Canada Revenue Agency (CRA) standards.
Be sure to check the computer requirements for this filing option.
You can file information returns over the Internet only during our hours of service.
For security reasons, our servers end a secure T4 Web forms session after 30 minutes of inactivity. If your session ends, you will lose all data and have to re-authenticate.
What if you have a balance due?
If you have a balance owing, you can still file your information return electronically. However, we can assess a penalty of 10% to 20% of the amount you failed to remit when:
For information about penalties, see Failure to remit or call 1-800-959-5525.
Remit any balance owing separate from your electronic filing. Send the payment to any tax centre with a letter that indicates the tax year for which the payment applies, the amount covering your outstanding balance, and your Business Number. If you choose to pay electronically and you have Internet or telephone banking, you may wish to ask your financial institution if you can make an electronic payment. See e-payment for more information.