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Understanding Job Ads and Applications Course: SIN, TD1 and first-day paperwork

Untimed topic quiz: 17 questions on SIN, TD1 and first-day paperwork, with an explanation after each answer. Questions and answers are shuffled every time.

  • Course
  • Canada
  • 100 questions
  • Checked October 13, 2026
  • Fact-checked October 13, 2026
Start with the lessonsUnderstanding Job Ads and Applications Course: Lessons: about 150 minutes of reading. Every test question is covered in the lessons.

Topic quiz 6: SIN, TD1 and first-day paperwork

  1. Question 1 of 17

    How many digits does a Social Insurance Number (SIN) have?
    Show answer

    Answer: C. 9

    A SIN is a 9-digit number you need to work in Canada or get government programs and benefits.

  2. Question 2 of 17

    When must a new employee give their SIN to the employer?
    Show answer

    Answer: D. Within 3 days of starting work

    Employees must give their SIN within 3 days of starting to work, and employers must ask for it within that time.

  3. Question 3 of 17

    Tom starts a job before he has a SIN. What must he do?
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    Answer: C. Apply, then give it within 3 days of getting it

    A person without a SIN must apply, then give it to the employer within 3 days of receiving it.

  4. Question 4 of 17

    Your new manager asks to see ID. What is true about your SIN confirmation letter?
    Show answer

    Answer: C. It is not ID; show a passport or driver's licence

    Service Canada says the SIN card and confirmation letter are not identity documents. Use a passport or driver's licence.

  5. Question 5 of 17

    What is true about a SIN that starts with 9?
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    Answer: B. It is for temporary residents and expires with their permit

    SINs for temporary residents always start with 9 and expire on the same date as the work permit, study permit or visitor record.

  6. Question 6 of 17

    Ines has a SIN starting with 9. She gets a new work permit with a later expiry date. What should she do?
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    Answer: D. Update her SIN record with the new expiry date

    Temporary residents update their SIN record when they get a new permit with a new expiry date.

  7. Question 7 of 17

    You get an urgent call saying your SIN will be cancelled unless you confirm it now. What should you do?
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    Answer: C. Hang up; only share it by phone if you made the call

    Service Canada says never to give your SIN by phone unless you made the call and know it is legally required, and to be careful of urgent messages.

  8. Question 8 of 17

    Where should you keep your SIN confirmation letter?
    Show answer

    Answer: A. In a locked place at home

    Service Canada advises keeping SIN documents locked away or password protected, not in your wallet or bag.

  9. Question 9 of 17

    On your first day, which federal form tells your employer how much income tax to deduct?
    Show answer

    Answer: C. TD1, Personal Tax Credits Return

    New employees fill in the federal TD1 so the employer can work out tax deductions.

  10. Question 10 of 17

    When do you also need to fill in a provincial or territorial TD1 form?
    Show answer

    Answer: D. When you claim more than the basic personal amount

    CRA says if more than the basic personal amount is claimed, a provincial or territorial TD1 is also needed. In Quebec, form TP-1015.3-V is used.

  11. Question 11 of 17

    What happens if a new employee does not give the employer a completed TD1?
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    Answer: A. Tax is deducted using only the basic personal amount

    Without a completed TD1, the employer deducts tax as if only the basic personal amount is claimed.

  12. Question 12 of 17

    Your situation changes in a way that will change your tax credits for the year. How soon must you give a new TD1?
    Show answer

    Answer: D. Within 7 days of the change

    CRA says a new TD1 is due within 7 days of a change that may reasonably be expected to change personal tax credits.

  13. Question 13 of 17

    Ravi starts a second job while keeping his first one. His total income will be more than the credits he claimed with his first employer. What should he do on the TD1 for the second job?
    Show answer

    Answer: B. Tick "More than one employer or payer at the same time" and enter 0 on line 13

    Credits claimed on one TD1 cannot be claimed again. CRA tells people in this case to tick the box and enter 0 on line 13.

  14. Question 14 of 17

    What should you do with the TD1-WS worksheet?
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    Answer: D. Keep it yourself; do not hand it in

    CRA says the TD1-WS worksheet is kept by the individual and is not given to the employer.

  15. Question 15 of 17

    Read the passage. Which number is the branch (transit) number?

    Mina's employer asks for a void cheque to set up direct deposit. The numbers along the bottom of her cheque are, from left to right:

    0042 10392 004 5208817

    The first set is the cheque number.

    Show answer

    Answer: D. 10392

    After the cheque number comes the 5-digit branch number, then the 3-digit institution number, then the account number.

  16. Question 16 of 17

    Read the passage. Which number is the financial institution number?

    Mina's employer asks for a void cheque to set up direct deposit. The numbers along the bottom of her cheque are, from left to right:

    0042 10392 004 5208817

    The first set is the cheque number.

    Show answer

    Answer: B. 004

    The institution number has 3 digits and comes after the 5-digit branch number.

  17. Question 17 of 17

    Your employer works out your province of employment for payroll. How is it decided?
    Show answer

    Answer: A. Where you report for work for that employer

    CRA says the province of employment is where the employee reports for work at one of the employer's establishments. (If you do not report to an establishment, it is where your pay comes from.)

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