1 September 2019
Payment of corporation tax liabilities for periods ended 30 November 2018 if not liable to pay by instalments.
Check HMRC website for changes to car mileage fuel rates.
5 September 2019
Responses to Finance Bill 2020 draft clauses should be submitted by today.
7 September 2019
Due date for VAT return and payment for 31 July 2019 quarter (electronic payment).
14 September 2019
Quarterly corporation tax instalment payment for large companies.
Monthly EC sales list if paper return used.
19 September 2019
PAYE/National Insurance/student loan/construction industry scheme payments for month ended 5 September 2019 if by cheque.
File monthly construction industry scheme return.
21 September 2019
File online monthly EC sales list.
Intrastat – submit supplementary declarations for August 2019.
22 September 2019
PAYE/National Insurance/student loan/construction industry scheme payments for month ended 5 September 2019 if paid online.
30 September 2019
Companies House should have received accounts of private companies with
31 December 2018 year end.
Companies House should have received accounts of public limited companies with 31 March 2019 year end.
HMRC should have received corporation tax self-assessment returns for companies having an accounting period ended 30 September 2018.
End of CT61 quarterly return period.
Business rates – small business relief claims for 2018-19 should be made to local authority by today.
Businesses to reclaim EC VAT chargeable in 2018.