1 November 2020
Payment of corporation tax liabilities for periods ended 31 January 2020 for small and medium-sized companies not liable to pay by instalments.
2 November 2020
Filing date for form P46 (Car) for quarter ended 5 October 2020.
5 November 2020
Specified employment intermediaries must file return for tax quarter ended 5 October 2020.
7 November 2020
VAT returns and payment for 30 September 2020 quarter (electronic payment).
14 November 2020
Quarterly corporation tax instalment for large companies depending on accounting year end.
Monthly EC sales list if paper return used.
19 November 2020
Pay PAYE, National Insurance, CIS and student loan liabilities for month ended 5 November 2020 if not paying electronically.
File monthly construction industry scheme return.
21 November 2020
File online monthly EC sales list.
Submit supplementary intrastat declarations for October 2020.
22 November 2020
PAYE, National Insurance, CIS and student loan liabilities should have cleared into HMRC bank account.
30 November 2020
Companies House should have received accounts of private companies with 28 February 2020 year end.
Companies House should have received accounts of public limited companies with 31 May 2020 year end.
HMRC should have received CTSA returns for companies with accounting periods ended 30 November 2019.