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How do I fix NETFILE error code 90308?

SOLVEDby TurboTax4Updated August 02, 2022

You'll receive the 90308 error code while filing your NETFILE return if the CRA doesn't think it should include Canada Pension Plan (CPP) contributions and/or your Québec pension plan (QPP) contributions are reported correctly. This is typically due to your reported CPP and/or QPP not matching your residence of employment.

You can address this issue in TurboTax in one of the following ways:

  • If you resided in a province other than Québec and worked in Québec you'll receive a T4 tax slip and an RL-1 slip. The error will occur if you've entered CPP contributions (box 16) instead of QPP contributions (box 17) on the T4:
    • Enter your QPP contributions earned in Québec on a T4 with box 10 set to QC. If you have other employment income from another province, enter a separate T4 with your CPP contributions for employment earned outside Québec.
  • If you've entered CPP contributions (box 16) and QPP contributions (box 17) on the same T4:
    • Enter your CPP contributions for employment earned outside of Québec on a separate T4 from your QPP contributions for employment earned within Québec.
  • If you resided in Québec and had income from employment in Québec and from another province, you'll receive an RL-1 for Québec employment and a T4 for employment from another province. You'll receive an error if you've entered CPP contributions (box 16) and QPP contributions (box 17) on the same T4:
    • Enter your CPP contributions for employment earned outside of Québec on a separate T4 from your QPP contributions for employment earned within Québec.
  • If your T4 indicates that you're exempt from CPP (box 28) but you have amounts for CPP contributions (box 16) and pensionable earnings (box 26):
    • Verify the amounts and that you've entered them correctly. The CRA doesn't allow employees who are exempt from CPP/QPP to have an amount in box 16 or box 17. If you've entered your amounts exactly as they're shown on your T4, contact your employer to verify your T4 was completed correctly.

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