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A list of things to do in March!

March 2024 Deadline Dates

1st March

Pay corporation tax for accounting periods ended 31 May 2023 for SMEs not liable to pay by instalments. 

Review HMRC car mileage fuel rates.

2nd March

Unpaid income tax/class 4 National Insurance liability for 2022-23 attract an automatic 5% penalty after today.

7th March

Due date for VAT returns and electronic payment for 31 January 2024 quarter. 

14th March

Quarterly corporation tax instalment for large companies depending on accounting year end. 

19th March

PAYE, NI, CIS and student loan liabilities for month ended 5 March 2024 if not paying electronically. 

File monthly CIS return. 

21st March

File online monthly EC sales list only relevant to a business based in Northern Ireland selling goods. 

Supplementary intrastat declarations for February 2024 - arrivals only for a GB business, arrivals and despatch for a business in Northern Ireland. 

22nd March

PAYE, NI and student loan liabilities to clear HMRC's bank account. 

31st March

Companies House should have received accounts of private companies with 30 June 2023 year ends and public limited companies with 30 September 2023 year ends. 

Reclaim tax paid by a close company on a loan to a participator under CTA 2010, s 455 if loan repaid during the year ended 31 March 2020. 

CTSA returns for companies with accounting periods ended 31 March 2023. 

Claims for VAT partial exemption special method must receive approval if to be backdated to 1 April 2023 (March year ends). 

End of chargeable period for annual tax on enveloped dwellings. 


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