Key dates and deadlines

Filing and payment dates:

This is a summary of the key dates. Please also visit our complete Tax Calendar

Income tax (including Class 4 National Insurance)
28 February 2012 Automatic 5% surcharge on any 2010/11 tax outstanding
31 July 2012

Further automatic 5% surcharge on any 2010/11 tax outstanding

2011/12 second payment on account
31 January 2013 2011/12 balancing payment, and
2012/13 first payment on account
Capital Gains Tax
31 January 2013 2011/12 Capital Gains Tax
31 January 2014 2012/13 Capital Gains Tax
Inheritance Tax
Six months after the end of the month of death or chargeable transfer.
For chargeable lifetime transfers between 6 April and 30 September, due date is 30 April in the following year.
Corporation Tax
Small companies Nine months and one day after the end of the accounting period
Large companies Four quarterly installments commencing six months and 13 days from the start of the accounting period with the balance nine months and one day after the end of the accounting period
Latest filing/issuing deadlines - 2011/12 PAYE returns
19 May 2012 P14, P35, P38, and P38A
31 May 2012 Issue P60s to employees
6 July 2012 P9D, P11D and P11D(b) - also issue copies to employees
2011/12 Class 1A National Insurance on relevant benefits
19 July 2012 Payment due
2012 Tax Return
31 October 2012 Last paper filing date
31 January 2013 Last online filing date