2021 tax forms ontario-2026

1. Click ‘Get Form’ to open the 2021 Ontario Personal Tax Credits Return (TD1ON) in our platform.
2. Begin by entering your personal information, including your last name, first name, address, postal code, date of birth, employee number, and social insurance number.
3. Proceed to the Basic Personal Amount section. If you have multiple employers, refer to the instructions on page 2 before filling this out.
4. Fill in any applicable amounts for age, pension income, disability, spouse or common-law partner support, and eligible dependants as per your situation.
5. Calculate your total claim amount by adding all applicable lines from 1 to 9. This total will guide your employer in determining tax deductions.
6. Sign and date the form before submitting it to your employer or payer. Ensure all information is accurate to avoid penalties.

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