1 August 2020
Payment of corporation tax liabilities for periods ended 31 October 2019 if not liable to pay by instalments.
Outstanding 2018-19 self-assessment tax returns now subject to a penalty of £300 or 5% of tax due, whichever is higher.
2 August 2020
Filing date for form P46(Car) for quarter ended 5 July 2020.
5 August 2020
Quarterly report by employment intermediaries for period 6 April to 5 July 2020.
7 August 2020
Due date for VAT return and payment for 30 June 2020 quarter (electronic payment).
14 August 2020
Quarterly corporation tax instalment payment for large companies.
Monthly EC sales list if paper returns used.
19 August 2020
Pay PAYE/construction industry scheme for month ended 5 August 2020 if by cheque.
File monthly CIS return.
21 August 2020
Online monthly EC sales list.
Intrastat – supplementary declarations for July 2020.
22 August 2020
PAYE/National Insurance/student loan payments if paid online.
31 August 2020
Companies House should have received accounts of private companies with 30 November 2019 year end.
Companies House should have received accounts of public limited companies with 28 February 2020 year end.
Corporate tax self-assessment returns for accounting periods ended 31 August 2020.
Annual adjustment for VAT partial exemption claims, May year end.