Payroll tips: A checklist for meeting the T4 deadline

January 15, 2023 BDO CANADA


Scrambling to get T4s done at the last minute is a difficult experience (just ask anyone who's had to do it). Not to mention, the penalties for filing late can be crippling.  

The key to getting your T4s prepared and delivered on time, and without stress is to have all the information you need lined up beforehand.  

A checklist for meeting the T4 deadline


Download the checklist here

 Employee's full name  

 Make sure you have their legal name on file. The Canada Revenue Agency (CRA) doesn't accept nicknames. If an employee has legally changed their name in the last year, you should have that on file. 


 If an employee has moved within the past year, you should know about it. It will be worth sending a company-wide email out to confirm.  

 Province of employment  

 This is where the employee works, not where they live or where your head office is. If you're based in Ontario, for example, and your employee lives in B.C. near the Alberta border but works in your Alberta office, you would use Alberta. If an employee was transferred to another province mid-year, you have to prepare two T4s for them because the tax deductions differ by province.  

 Social insurance number  

 You should already have this from employees when you originally hired them.  

 Date of birth  

 Again, this is something you should already have. But you may want to send a company-wide email to confirm.  

 Your business number  

 This is the nine-digit number assigned to you by CRA that they use to identify you. Your business number will appear on any document you receive from the federal, provincial, or municipal government. We recommend writing it down and putting it somewhere that's easily accessible.  

Reported income  

This should cover every cent you gave your employee, invested on their behalf, or used to buy goods or services for them. It includes but is not limited to:  

  • Salary or wages (including pay in lieu of termination notice)  
  • Tips, gratuities, and bonuses  
  • Vacation pay  
  • Employment commissions  
  • Money spent on taxable benefits or allowances  
  • Retiring allowances  

Depending on the size of your organization and the level of transparency, you should connect with managers and directors to make sure you capture all the required information.  

Total income tax deducted  

Remember to include taxable benefits in your calculations.  

Total CPP/QPP and EI deducted  

You are required to make deductions for the Canada Pension Plan (or Quebec Pension Plan in Quebec) and employment insurance.  

You need to improve your tax planning strategies, we’re here  

Filling out T4s can be both challenging and time consuming. If you'd rather let someone else handle this work, contact BDO's Corporate Payroll Services team to find out how we can help your business.

Previous Article
Farm transition: Is your farm offside?
Farm transition: Is your farm offside?

Learn how farmers can leverage available tax benefits during ownership transfer.

Next Article
Income tax considerations for the Owner-Manager when planning for retirement
Income tax considerations for the Owner-Manager when planning for retirement

This article discusses common considerations for owner-manager remuneration and the various pension options.


First Name
Last Name
Job Title
Opt In - I agree to receive marketing communications from BDO Canada. You may withdraw your consent.
Thank you!
Error - something went wrong!