| Income tax and Class 4 National Insurance Contributions | |
| 31st October 2011 | Last filing date for 2011 self assessment Tax Return – Paper version. |
| 31st January 2012 | Last filing date for 2011 self assessment Tax Return – online version. 2010/11 balancing payment and 2011/12 first payment on account. |
| 28th February 2012 | Automatic 5% surcharge on any outstanding 2010/11 tax. |
| 31st July 2012 | 2011/12 second payment on account. Further automatic 5% surcharge on any outstanding 2010/11 tax. |
| Capital Gains Tax | |
| 31st January 2012 | 2010/11 capital gains tax due. |
| Corporation Tax | |
| Due 9 months and 1 day after the end of the accounting period. | |
| Inheritance Tax | |
| Due 6 months after the end of the month of death or chargeable transfer. | |
| For chargeable lifetime transfers between 6th April and 30th September, the due date is 30th April in the following year. | |
| PAYE Returns | |
| 6th July 2011 | P9D, P11D and P11D(b) and appropriate copies to employees. |
| 19th May 2012 | P14, P35, P38 and P38A. |
| 31st May 2012 | Issue P60's to employees. |