To claim expenses as a commission employee, you should complete the form 

T777, Statement of Employment Expenses.

 

For further information please see:

Tax-Deductible Expenses for Commission Employees

T777 Tax Form: Statement of Employment Expenses

You Can Claim $400 In Expenses If You Worked From Home Due To COVID-19

Where do I claim my employment expenses in the online edition of TurboTax?

Where do I claim my employment expenses in the CD/download edition of TurboTax?

 

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