Tax date
Sunday, February 7, 2027

Third quarterly update due for MTD IT (formerly MTD ITSA)

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About this date

  • Period covered: 6 October 2026 – 5 January.
  • What to do: Submit your third update. Make sure all income, expenses, and any adjustments (like VAT or tax reliefs) are correctly recorded.
  • Pro tip: Staying on top of updates now makes your final Self Assessment easier.
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    Urgent
    Notice
    Reminder
    30
    Dec
    2026

    Deadline to file your Self Assessment online for PAYE collection

    Deadline to file your Self Assessment online for PAYE collection
    Urgent
    Notice
    Reminder
    31
    Jan
    2027

    Deadline for filing Self Assessment and Capital Gains Tax

    Deadline for filing Self Assessment and Capital Gains Tax
    Urgent
    Notice
    Reminder
    2
    Feb
    2027

    Deadline for submitting a P46 (Car)

    The "Deadline for submitting a P46 (Car)" is the final date by which individuals or employers in the United Kingdom must submit the P46 (Car) form to HM Revenue and Customs (HMRC). The P46 (Car) form is used to report changes or updates related to company-provided cars and their associated tax implications. This includes situations such as when an employee starts using a company car, changes their car, or stops using a company car. Timely submission of the P46 (Car) form ensures compliance with HMRC regulations and helps ensure accurate tax calculations for both employers and employees. It is important to note that the specific deadline for submitting the P46 (Car) form may vary, so individuals and employers should consult the latest HMRC guidelines or official resources to determine the exact date for a particular tax year or reporting period.
    Urgent
    Notice
    Reminder
    5
    Mar
    2027

    Deadline for submitting P46 for employees whose car/fuel benefits changed during the quarter to 5th April

    The "Deadline for submitting P46 for employees whose car/fuel benefits changed during the quarter to 5th April" refers to the final date by which employers in the United Kingdom must submit the P46 form for employees whose car or fuel benefits have changed during the specified quarter leading up to the 5th of April. The P46 form is used to report changes in employee benefits and to ensure accurate tax calculations. Employers are required to submit this form to HM Revenue and Customs (HMRC) to update the employee's tax records accordingly. Meeting this deadline is important to comply with HMRC regulations and avoid potential penalties or incorrect tax calculations.

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