Line 421 - CPP contributions payable on self-employment and other earnings
Only for individuals who are 60 to 70 years of age
If you were not a resident of Quebec on December 31, 2018, claim the Canada Pension Plan (CPP) contributions you have to pay from Schedule 8 or Form RC381, Inter-provincial calculation for CPP and QPP contributions and overpayments for 2018, whichever applies.
If you were a resident of Quebec on December 31, 2018, this line does not apply to you. Claim the Quebec Pension Plan contributions you have to pay on your provincial income tax return for Quebec.
Completing your tax return
Claim on line 421 of your return the amount of CPP contributions you have to pay calculated on Schedule 8 or From RC381, whichever applies.
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