2 Mar –– 1 Apr

Corporation Tax:

*Submission of returns for APs ending between 2 Mar 2011 and 1 Apr 2011. Payment of tax for small companies** with APs ending between 1 June 2011 – 30 June 2011

2 Apr –– 1 May

Corporation Tax:

*Submission of returns for APs ending between 2 Apr 2011 and 1 May 2011. Payment of tax for small companies** with APs ending between 1 July 2011 – 31 July 2011

31 Mar

VAT:

Return and payment due for the VAT period ending 29 February***

19 Apr

PAYE/NIC:

Quarterly/monthly PAYE/Class 1 NIC payments also deadline for payment of outstanding PAYE and NIC's for tax year ended 5 April 2012****

19 Apr

CIS:

Monthly return (paper or online) for the tax month 6 Mar to 5 Apr****

Notes:

*From 1 April 2011 company tax returns must be submitted online for accounting periods ending after 31 March 2010. Additionally, tax computations and, with very few exceptions, accounts forming part of a company tax return, must be submitted in Inline eXtensible Business Reporting Language (iXBRL) format.

** Small companies are those not required to make corporation tax payments in instalments under the Instalment Payments Regulations. Companies classed as large under this should make their instalment payments by the relevant due dates.

Corporation Tax must now be paid electronically.

*** If you submit your return online, you must pay electronically, however in this situation you get seven extra calendar days to submit and pay. If you submit a paper return and pay electronically, you are also allowed a further seven extra calendar not including bank holidays or weekends. The 7 calendar day extension does not apply in certain exceptional cases.

**** Deadline is extended to the 22nd for Cleared Electronic payments; such payments must reach HMRC's bank account by no later than the last bank working day before the 22nd day of the month.