| Filing Deadlines & Penalties for 2009-10 Self Assessment Tax Return |
| 6 April 2010 |
Start of the new tax year |
| 31 July 2010 |
Second automatic penalty of £100 is charged if 2007-08 Tax Return has not been filed with HM Revenue & Customs |
| 31 July 2010 |
Second 5% surcharge if tax due on 31 January 2008 is still owing |
| 30 December 2010 |
If filing an online tax return and outstanding tax (of less than £2000) is to be included in 2010-11 PAYE code, the online return must be filed by this date |
| 31 January 2011 |
Deadline for filing of online Tax Returns. £100 penalty is charged if the return is filed late |
| 28 February 2011 |
Automatic 5% surcharge if tax due on 31 January 2011 is still owing |
