When must the T4 slip be submitted to the Canada Revenue Agency by?
James Williams
Updated on March 06, 2026
Give employees their T4 slips on or before the last day of February following the calendar year to which the slips apply. Keep your paper and electronic records for six years after the year to which they relate.
What happens if I forgot to file a T4?
Failure to report income twice within a four-year period will draw a significant penalty. It is calculated as 10 per cent of the amount you failed to report. Provincial penalties will also apply so the total penalty is 20 per cent. One recent case is a taxpayer who forgot a T4 with about $36,000 in income.
How far back can I file my taxes CRA?
10 years
How far back can you go to file taxes in Canada? According to the CRA, a taxpayer has 10 years from the end of a calendar year to file an income tax return. The longer you go without filing taxes, the higher the penalties and potential prison term.
Do employers submit T4 to CRA?
Each of your employers will issue a T4 slip for your employment for the year. When an employer gives you a T4 slip, they also send a copy of it to the CRA. Employers have until the end of February each year to issue their employees’ T4 slips for the preceding tax year.
Can I get my T4 from Service Canada?
Getting your T4E Your T4E is available online on February 1 through My Service Canada Account (MSCA). You can view, print and submit a copy of it with your Canada Revenue Agency (CRA) tax return. To access your T4E online, you need to login or register for MSCA. You can also get your T4E by mail.
How do I file my taxes without a T4?
Filing your taxes without your T4 slip When you are filling out your taxes with CloudTax, you can use CRA’s “Auto-fill my return” function. Then you get the information from your T4s automatically.
Can I do my taxes if I’m missing a T4?
Well, yes and no. To file your tax return without your T4 slip, you still need the information from it. They are required to provide your T4s for you by the end of February following the tax year-end. If you need your T4 from previous tax years, ask CRA online at Canada Revenue Agency or call 1-800-959-8281.
What happens if you don’t file taxes for 5 years in Canada?
What happens if you file your taxes late is that the CRA can charge a late filing penalty. It also penalizes taxpayers for late tax filing. The penalty for filing taxes late is 5% of the tax year’s balance owing plus 1% of the balance owing for each full month your return is late, up to a maximum of 12 months.
How to file a T4 return in Canada?
SIN of the proprietor (s) or principal owner (s): Enter the social insurance number (SIN) of each proprietor or principal owner. If you entered 1 in the Total number of slips you are filing box, T4 Web forms will display one T4 slip. If you entered 2, two T4 slips will be displayed. If you entered 3, three T4 slips will be displayed.
Do you have to file an amended T4A summary?
Do not file an amended T4A Summary. If you notice errors on the T4A slips before you file them with us, you can correct them by preparing new information slips and removing any incorrect copies from the return. If you do not prepare a new slip, initial any changes you make on the slip.
Can you file an additional T4 slip after the due date?
Any additional T4 slips which are filed after the due date may result in a penalty. To file additional slips electronically, go to Filing Information Returns Electronically (T4/T5 and other types of returns). When submitting additional slips on paper, clearly identify the new slips by writing “ADDITIONAL” at the top of each slip.
What to do if your T4 summary is cancelled?
Send one copy of the cancelled slips to any national verification and collectiontax centre with a letter explaining the reason for the cancellation. Do not file an amended T4 Summary. If you issue paper T4 slips to replace copies that are lost or destroyed, do not send the CRA a copy.