Time to act - upcoming tax deadlines

Are you prepared? Have you taken action?

Although many tax deadlines recur every year, they still seem to catch many individuals and businesses by surprise. The ability to meet deadlines to take advantage of valuable tax reliefs that save you money or to avoid penalties is just one reason why timely tax planning is so important.

To help you plan and take appropriate action, time to act sets out forthcoming tax deadlines. Although the deadline dates provided below give an indication of how urgently you need to consider the issues, some will require initial attention well in advance.

Click on the category headings below to see more information about each deadline.

Corporate tax deadlines

Corporation tax instalment payments due for very large companies | 14 December 2020
Corporation tax return filing | 31 December 2020
Corporation tax claims and elections | 31 December 2020
Publication of tax strategy | 31 December 2020
Provide senior accounting officer certificate | 31 December 2020
Country-by-country reporting – parent entity notification | 31 December 2020
Country-by-country reporting – filing report | 31 December 2020
Country-by-country reporting – entity notification | 31 December 2020
Country-by-country reporting – entity confirmation | 31 December 2020
Country-by-country reporting – confirmation of other entity filing report | 31 December 2020
Corporate interest restriction - group reporting company notification | 31 December 2020
Corporate interest restriction – qualifying infrastructure companies | 31 December 2020
Corporate interest restriction – election for accounting periods where there are no group accounts | 31 December 2020
Corporate interest restriction – creditor relationships determined on basis of fair value accounting | 31 December 2020
Corporate interest restriction – interest restriction return | 31 December 2020
Corporation tax group deductions allowance | 31 December 2020
Foreign branch profits exemption election | 31 December 2020
Payment of gift aid by charity subsidiaries for the period ended 31 March 2020 | 31 December 2020
Diverted profits tax (DPT) | 31 December 2020
Corporation tax payment due | 1 January 2021
Corporation tax instalment payments due for large companies | 14 January 2021
DAC 6 reporting deadline - reporting obligation triggered on or after 1 July 2020 | 30 January 2021 and ongoing
DAC 6 reporting deadline - reporting obligation triggered on or before 30 June 2020 | 28 February 2021

Private client deadlines

Check forms P800 issued by HMRC | 30 November 2020
Small underpayments of tax | 30 December 2020
DAC 6 reporting deadline - reporting obligation triggered on or after 1 July 2020 | 30 January 2021 and ongoing
HMRC trusts register – registration | 31 January 2021
HMRC trusts register – changes | 31 January 2021
Self-assessment tax returns | 31 January 2021
Payment of tax and National Insurance contributions (NICs) for individuals (including partners), trustees and executors | 31 January 2021
Individual/partnership/trust and estate amendment to 2018/19 self-assessment tax return | 31 January 2021
Carry back of gift aid donations | 31 January 2021
Loss relief claims – trading losses | 31 January 2021
Tax claims and elections | 31 January 2021
Election to disapply incorporation relief | 31 January 2021
DAC 6 reporting deadline - reporting obligation triggered on or before 30 June 2020 | 28 February 2021
30-day reporting for disposals of UK property | Ongoing

Employment tax deadlines

Submit paper or electronic forms P46 (car) | 2 November 2020 and 2 February 2021
Onshore & offshore employment intermediaries – quarterly reports | 5 November 2020 and 5 February 2021
PAYE and NICs reporting and payments | Monthly – from 19 (or 22) November 2020
Construction industry scheme (CIS) reporting and payment dates | Monthly – from 19 (or 22) November 2020
Check for new advisory fuel rates | 1 December 2020
DAC 6 reporting deadline - reporting obligation triggered on or after 1 July 2020 | 30 January 2021 and ongoing
DAC 6 reporting deadline - reporting obligation triggered on or before 30 June 2020 | 28 February 2021

Indirect tax deadlines

Brexit – end of transition period | 1 January 2021