Payroll Records for Self-Incorporated Canadians: What to Keep

Payroll records for self-incorporated Canada is a practical search for one-person corporations that pay the owner a T4 salary. Once you run payroll, CRA expects more than a bank transfer from the corporate account to your personal account. You need records that show how gross salary became net pay, what was withheld, what the corporation remitted, and how the year-end T4 was prepared.

Good payroll records do not need to be complicated. The goal is to make each salary payment easy to explain months or years later.

Payroll Records for Self-Incorporated Canada: The Core File

If your corporation pays you salary, keep a payroll file for each calendar year. A simple folder in cloud storage is usually enough if it is organized and backed up.

For each pay period, save:

• The paystub showing gross pay, deductions, and net pay
• Proof of the net salary transfer to your personal account
• The CRA payroll remittance amount and confirmation number
• Any notes explaining unusual items, such as a bonus or correction
• Support for custom deductions, if any

At year end, add the T4 slip, T4 Summary, and accountant working papers or reconciliation notes. If CRA, your accountant, a lender, or a future buyer of the business asks questions, these documents show the payroll story clearly.

Why Paystubs Matter More Than Bank Transfers

A bank transfer only proves money moved. It does not show whether the payment was salary, dividend, shareholder loan repayment, reimbursement, or something else.

A proper paystub documents the payroll calculation:

• Gross salary for the period
• CPP contributions withheld, if applicable
• EI premiums, if the employment is insurable
• Federal and provincial income tax withheld
• Net pay deposited to you
• Pay period dates and pay date

For more detail on the required fields, read our guide on what must be on a Canadian paystub. A free tool like PaystubHero can generate a Canadian paystub and calculate CRA-aware deductions so your records are consistent each time you pay yourself.

Keep CRA Remittance Proof With the Paystub

Payroll is not finished when you transfer net pay. Your corporation must also remit the employee deductions plus the employer portions of CPP and EI where applicable.

For many small regular remitters, payroll deductions are generally due by the 15th day of the month after the month salary was paid. If you paid yourself on August 30, the remittance is usually due September 15.

Save the CRA payment confirmation beside the related paystub or monthly payroll summary. The confirmation should support the total remittance, which may include:

• Employee CPP withheld
• Employer CPP paid by the corporation
• Employee EI withheld, if applicable
• Employer EI paid by the corporation, if applicable
• Income tax withheld

If you need the timing rules, see our CRA payroll remittance deadlines guide.

Do Not Forget TD1 Forms and Payroll Setup Records

Before payroll starts, keep copies of your federal and provincial TD1 forms. These forms support the personal tax credits used to calculate income tax withholding. For a one-person corporation, it can feel odd to keep employee forms for yourself, but salary means the corporation is the employer and you are the employee.

Your permanent payroll file should also include:

• CRA payroll program account details, such as the RP account number
• Federal and provincial TD1 forms
• Notes on pay frequency, such as monthly or biweekly
• Any CRA CPP/EI ruling or accountant note about EI insurability
• Year-end T4 filing confirmations

This setup information helps explain why payroll was calculated the way it was. It is especially useful if your ownership structure changes, you hire a family member, or you switch accountants.

How Long Should You Keep Payroll Records?

CRA generally expects businesses to keep books and records for six years from the end of the last tax year they relate to. In practice, many incorporated owners keep payroll records longer because T4 income, CPP contributions, RRSP room, and mortgage documentation can matter later.

A safe habit is to keep digital copies of all payroll records permanently, or at least long enough that your accountant confirms old files can be archived or destroyed. Storage is cheap; recreating payroll records is not.

Common Record-Keeping Mistakes

Avoid these common problems:

• Paying random net amounts without creating paystubs
• Saving paystubs but not CRA remittance confirmations
• Mixing salary and dividend withdrawals with no labels
• Waiting until T4 season to reconstruct payroll
• Forgetting to record employer CPP and EI as corporate costs
• Keeping records only in email with no organized annual folder

A simple monthly routine prevents most of these issues. Create the paystub, transfer the net pay, remit to CRA, save the confirmation, and reconcile the year-to-date totals.

Key Takeaway

Payroll records for self-incorporated Canadians should connect every salary payment from gross pay to net deposit, CRA remittance, and year-end T4 reporting. Keep paystubs, bank proof, remittance confirmations, TD1 forms, payroll account details, and T4 support in one annual folder. The cleaner your records are during the year, the easier payroll compliance becomes at tax time.

Not tax advice — confirm your record retention and payroll setup with your accountant if your corporation has unusual facts or employees beyond you.