Ontario 2024 Personal Tax Credits Return Form. The td1 form, also known as a personal tax credits return form, helps new employers to accurately source deductions and calculate how much tax they should deduct from an employee’s income. Fill out this form based on the best estimate of your circumstances.

Enter the terms you wish to search for. If you do not fill out this form, your tax deductions will only include the basic personal amount, estimated by your employer.