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Tax Calendar: Important Dates & Deadlines September - October - November - December 2020

Now updated with September, October, November and December dates. Here is a list of important tax dates and deadlines for the coming months.

September 2020

Please Note: September 19th is a Saturday so electronic manual payments need to be cleared by Friday 18th

Below dates are relevant for Employers only

  • September 18th (21st if paid electronically) PAYE, Nat. Ins.,Student Loan & C.I.S. Monthly deductions due.
  • September 30th End of CT61 quarterly period.
  • September 30th Last day for UK businesses to reclaim any EU VAT chargeable in 2019.

October 2020

  • 5th Deadline for those not registered for self assessment with new, tax liable income or capital gains in 2019/20, or new income making them liable to the High Income Child Benefit Charge, to inform HMRC. A penalty for failure to notify may apply if late. You will need to complete form CWF1 for self employment or form SA1 for non self employed income, or form SA401 for partners
  • 31st Deadline for paper Self Assessment tax return for the year 2019/20.
    As of this year, HMRC will no longer automatically send out paper tax returns. From April 2020, anyone who has filed a paper tax return in the past will instead receive a short notice to file - this will tell taxpayers that HMRC intends to communicate with them digitally. Where HMRC has identified those who can't file online, it will still send out paper tax returns.

    Read more: https://www.which.co.uk/money/tax/income-tax/self-assessment-tax-return/paper-tax-returns-acsfn0l9pu73 - Which?
    As of this year, HMRC will no longer automatically send out paper tax returns. From April 2020, anyone who has filed a paper tax return in the past will instead receive a short notice to file - this will tell taxpayers that HMRC intends to communicate with them digitally. Where HMRC has identified those who can't file online, it will still send out paper tax returns.

    Read more: https://www.which.co.uk/money/tax/income-tax/self-assessment-tax-return/paper-tax-returns-acsfn0l9pu73 - Which?
    As of this year, HMRC will no longer automatically send out paper tax returns. From April 2020, anyone who has filed a paper tax return in the past will instead receive a short notice to file - this will tell taxpayers that HMRC intends to communicate with them digitally. Where HMRC has identified those who can't file online, it will still send out paper tax returns.

    Read more: https://www.which.co.uk/money/tax/income-tax/self-assessment-tax-return/paper-tax-returns-acsfn0l9pu73 - Which?
    As of this year, HMRC will no longer automatically send out paper tax returns. From April 2020, anyone who has filed a paper tax return in the past will instead receive a short notice to file - this will tell taxpayers that HMRC intends to communicate with them digitally. Where HMRC has identified those who can't file online, it will still send out paper tax returns.

    Read more: https://www.which.co.uk/money/tax/income-tax/self-assessment-tax-return/paper-tax-returns-acsfn0l9pu73 - Which?

Below dates are relevant for Employers only

  • 14th CT61 for previous quarter to be submitted and tax owing to be paid.
  • 19th (22nd if paid electronically) Last date to pay outstanding PAYE and Nat. Ins agreed with HMRC from 2019/20.
  • 19th (22nd if paid electronically) PAYE, Nat. Ins.,Student Loan & C.I.S. Monthly deductions due.
  • 19th (22nd if paid electronically), 3rd quarter PAYE/Nat. Ins. payments due for period 6th July to 5th Oct 2020.
  • 31st The Coronavirus Job Retention Scheme finished (replaced by the Job Support Scheme). 

1st October is a common commencement date. Most UK laws and regulations affecting businesses come into effect on the common commencement dates of 1 April or 1 October each year.

November 2020

  • 1st £100 fine for late paper 2019 Self Assessment return (Not relevant if making online Self Assessment return).
  • 1st Any self assessment tax return form issued after this date will not be due by the 31st Jan 2020. You have 3 months from the date of issue on the tax return form. (This 3 month return window also applies to due dates of balancing payments and CGT.)
  • 1st Beginning of the Job Support Scheme.
  • 30th Business Interruption Loan Scheme closes for new applications.

Below dates are relevant for Employers only

  • 2nd Deadline to notify HMRC of changes to employees car/fuel benefit (P46) from previous quarter.
  • 19th (22nd if paid electronically) PAYE, Nat. Ins.,Student Loan & C.I.S. Monthly deductions due.

December 2020

Please Note: December 19th is a Saturday so electronic manual payments need to be cleared by Friday 18th

  • 30th Online deadline for 2019/20 self assessment tax returns for those who wish HMRC to collect tax owing (if under £3,000), through the employees 2021/22 PAYE tax code.

Below dates are relevant for Employers only

  • 18th (22nd if paid electronically) PAYE, Nat. Ins.,Student Loan & C.I.S. Monthly deductions due.

25th and 28th December are Bank Holidays in the UK

If there are any relevant tax dates we are not presently including in our tax calendar, please feel free to contact us to request their inclusion.

This article was published in our Tax Calendar section on 01/09/2020.

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