September TAX DEADLINE DATES
February TAX DEADLINE DATES
August 15, 2024
SEPTEMBER 2024 TAX DEADLINE DATES
1 September 2024
Payment of corporation tax liabilities for periods ended 30 November 2023 if not liable to pay by instalments.
Check HMRC website for changes to car mileage fuel rates.
7 September 2024
Due date for VAT return and payment for 31 July 2024 quarter (electronic).
14 September 2024
Quarterly corporation tax instalment payment for large companies.
File paper monthly EC sales list – only relevant to a business based in Northern Ireland selling goods.
19 September 2024
PAYE/National Insurance/student loan/CIS payments for month ended 5 September 2024 if by cheque.
File monthly construction industry scheme return.
21 September 2024
File online monthly EC sale list – only relevant to a business based in Northern Ireland selling goods.
Supplementary intrastate declarations for August 2024 – arrivals only for a GB business, arrivals and despatch for a business in Northern Ireland.
22 September 2024
PAYE/National Insurance/student loan/CIS payments for month ended 5 September 2024 if paid online.
30 September 2024
Companies House should have received accounts of private companies with 31 December 2023 year end and public limited companies with 31 March 2024 year end.
HMRC should have received CTSA returns for companies having an accounting period ended 30 September 2023.
End of CT61 quarterly return period.
Business rates – small business relief claims for 2023-24.
Businesses to reclaim EC VAT chargeable in 2023.
Companies with a 30 June 2024 period end must notify HMRC if they have profits within the scope of the diverted profit tax.
