
Tax Diary for December 2020/January 2021
1 December 2020 – Due date for Corporation Tax payable for the year ended 28 February 2020.
19 December 2020 – PAYE and NIC deductions due for month ended 5 December 2020. (If you pay your tax electronically the due date is 22 December 2020)
19 December 2020 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2020.
19 December 2020 – CIS tax deducted for the month ended 5 December 2020 is payable by today.
30 December 2020 – Deadline for filing 2019-20 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2021-22.
1 January 2021 – Due date for Corporation Tax due for the year ended 31 March 2020.
19 January 2021 – PAYE and NIC deductions due for month ended 5 January 2021. (If you pay your tax electronically the due date is 22 January 2021)
19 January 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 January 2021.
19 January 2021 – CIS tax deducted for the month ended 5 January 2021 is payable by today.
31 January 2021 – Last day to file 2019-20 self-assessment tax returns online.
31 January 2021 – Balance of self-assessment tax owing for 2019-20 due to be settled on or before today unless you have elected to extend this deadline by formal agreement with HMRC. Also due is any first payment on account for 2020-21.
Tax Diary for December 2020/January 2021
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From 1 May 2026, the UK VAT road fuel scale charges change to cover the period to 30 April 2027....
Two UK brothers were recently convicted for abusing the government’s film tax relief scheme. Between 2011 and 2015 they submitted...
In a 2026 tax appeal, the First-tier Tribunal (Tax) upheld HMRC’s view that a written-off director’s loan triggers an income...
Recent headlines cite official UK data showing that HMRC spent “£186 million” enforcing the loan charge. The loan charge enforcement...
The position is now much clearer. Retail access to certain crypto exchange-traded notes (crypto ETNs) in an IFISA was reopened...
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Slow adoption despite clear government deadlines HM Revenue & Customs (HMRC) achieved a major milestone on 6 April 2026, when...